11663664 has 40 divisors (see below), whose sum is σ = 30837312. Its totient is φ = 3796800.

The previous prime is 11663653. The next prime is 11663669. The reversal of 11663664 is 46636611.

11663664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11663669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762 + ... + 4889.

Almost surely, 2^11663664 is an apocalyptic number.

It is an amenable number.

11663664 is an abundant number, since it is smaller than the sum of its proper divisors (19173648).

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

11663664 is a wasteful number, since it uses less digits than its factorization.

11663664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5705 (or 5699 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 11663664 is about 3415.2106816418. The cubic root of 11663664 is about 226.7836113188.

The spelling of 11663664 in words is "eleven million, six hundred sixty-three thousand, six hundred sixty-four".