11663608 has 16 divisors (see below), whose sum is σ = 23857560. Its totient is φ = 5301600.

The previous prime is 11663593. The next prime is 11663609. The reversal of 11663608 is 80636611.

It is a self number, because there is not a number n which added to its sum of digits gives 11663608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11663609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66183 + ... + 66358.

Almost surely, 2^11663608 is an apocalyptic number.

It is an amenable number.

11663608 is an abundant number, since it is smaller than the sum of its proper divisors (12193952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11663608 is a wasteful number, since it uses less digits than its factorization.

11663608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132558 (or 132554 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 11663608 is about 3415.2024830162. The cubic root of 11663608 is about 226.7832483711.

It can be divided in two parts, 1166 and 3608, that added together give a palindrome (4774).

The spelling of 11663608 in words is "eleven million, six hundred sixty-three thousand, six hundred eight".