Has won the National Award for Best Actor 3 times.
While he was a law student he and his friends streaked through the
streets of Ernakulam (Kerala, India) as part of a bet.
An autobiography named "Chamayangalillathe"(without makeup) which was serialized in Malayala Manorama weekly was later published as a book in 1992. The book tells about his life from his birth till it was first released.
As an actor he is quite ambitious. It was his childhood dream to become an actor.
Patron of the Pain and Palliative Care Society, a charitable
organization formed with the aim of improving the quality of life in
patients with advanced cancer and with chronic pain.
He received two honorary doctorates.
Mammootty was visited by Anthony Bourdain in the "Kerala, India" (S6;Ep17) episode of Anthony Bourdain, No Reservations.
He is the only actor to have acted as the lead in six different languages namely- Malayalam, Tamil, Telegu, Hindi, Kannada, English.
He took his Pre-Degree from Sacred Heart Colege, Thevara, Ernakulam and
Bachelor of Arts from Maharajas Colege, Ernakulam. He also secured a
LLB from Law Colege, Ernakulam. He was practicing as an advocate whilst
he become active in to movies.