11666532 has 24 divisors (see below), whose sum is σ = 28655200. Its totient is φ = 3684096.

The previous prime is 11666521. The next prime is 11666533. The reversal of 11666532 is 23566611.

It is a super-2 number, since 2×11666532² = 272215937814048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11666532.

It is not an unprimeable number, because it can be changed into a prime (11666533) 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, 25357 + ... + 25812.

Almost surely, 2^11666532 is an apocalyptic number.

11666532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11666532 is an abundant number, since it is smaller than the sum of its proper divisors (16988668).

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

11666532 is a wasteful number, since it uses less digits than its factorization.

11666532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51195 (or 51193 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 11666532 is about 3415.6305420815. The cubic root of 11666532 is about 226.8021978766.

The spelling of 11666532 in words is "eleven million, six hundred sixty-six thousand, five hundred thirty-two".