11666624 has 28 divisors (see below), whose sum is σ = 24515064. Its totient is φ = 5489664.

The previous prime is 11666621. The next prime is 11666647. The reversal of 11666624 is 42666611.

It is a super-2 number, since 2×11666624² = 272220231114752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (11666621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4274 + ... + 6449.

It is an arithmetic number, because the mean of its divisors is an integer number (875538).

Almost surely, 2^11666624 is an apocalyptic number.

It is an amenable number.

11666624 is an abundant number, since it is smaller than the sum of its proper divisors (12848440).

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

11666624 is a wasteful number, since it uses less digits than its factorization.

11666624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10752 (or 10742 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 11666624 is about 3415.6440095537. The cubic root of 11666624 is about 226.8027940477.

The spelling of 11666624 in words is "eleven million, six hundred sixty-six thousand, six hundred twenty-four".