11666956 has 12 divisors (see below), whose sum is σ = 23333968. Its totient is φ = 5000112.

The previous prime is 11666953. The next prime is 11666971. The reversal of 11666956 is 65966611.

11666956 is an admirable number.

It is a super-3 number, since 3×11666956³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11666953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208311 + ... + 208366.

Almost surely, 2^11666956 is an apocalyptic number.

It is an amenable number.

11666956 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11666956 is a wasteful number, since it uses less digits than its factorization.

11666956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416688 (or 416686 counting only the distinct ones).

The product of its digits is 58320, while the sum is 40.

The square root of 11666956 is about 3415.6926091204. The cubic root of 11666956 is about 226.8049454217.

The spelling of 11666956 in words is "eleven million, six hundred sixty-six thousand, nine hundred fifty-six".