11638616 has 16 divisors (see below), whose sum is σ = 23806440. Its totient is φ = 5290240.

The previous prime is 11638603. The next prime is 11638631. The reversal of 11638616 is 61683611.

11638616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66041 + ... + 66216.

Almost surely, 2^11638616 is an apocalyptic number.

It is an amenable number.

11638616 is an abundant number, since it is smaller than the sum of its proper divisors (12167824).

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

11638616 is a wasteful number, since it uses less digits than its factorization.

11638616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132274 (or 132270 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 11638616 is about 3411.5415870248. The cubic root of 11638616 is about 226.6211538762.

It can be divided in two parts, 1163 and 8616, that added together give a palindrome (9779).

The spelling of 11638616 in words is "eleven million, six hundred thirty-eight thousand, six hundred sixteen".