11664694 has 16 divisors (see below), whose sum is σ = 18065808. Its totient is φ = 5644512.

The previous prime is 11664691. The next prime is 11664701. The reversal of 11664694 is 49646611.

It is a super-2 number, since 2×11664694² = 272130172227272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11664691) 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, 20664 + ... + 21220.

It is an arithmetic number, because the mean of its divisors is an integer number (1129113).

Almost surely, 2^11664694 is an apocalyptic number.

11664694 is a deficient number, since it is larger than the sum of its proper divisors (6401114).

11664694 is a wasteful number, since it uses less digits than its factorization.

11664694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879.

The product of its digits is 31104, while the sum is 37.

The square root of 11664694 is about 3415.3614742806. The cubic root of 11664694 is about 226.7902867582.

The spelling of 11664694 in words is "eleven million, six hundred sixty-four thousand, six hundred ninety-four".