11666756 has 12 divisors (see below), whose sum is σ = 20443500. Its totient is φ = 5825760.

The previous prime is 11666749. The next prime is 11666797. The reversal of 11666756 is 65766611.

It can be written as a sum of positive squares in 2 ways, for example, as 4268356 + 7398400 = 2066^2 + 2720^2 .

It is a super-2 number, since 2×11666756² = 272226391127072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2870 + ... + 5618.

It is an arithmetic number, because the mean of its divisors is an integer number (1703625).

Almost surely, 2^11666756 is an apocalyptic number.

It is an amenable number.

11666756 is a deficient number, since it is larger than the sum of its proper divisors (8776744).

11666756 is a wasteful number, since it uses less digits than its factorization.

11666756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814 (or 3812 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 11666756 is about 3415.6633323558. The cubic root of 11666756 is about 226.8036494181.

The spelling of 11666756 in words is "eleven million, six hundred sixty-six thousand, seven hundred fifty-six".