11666764 has 6 divisors (see below), whose sum is σ = 20416844. Its totient is φ = 5833380.

The previous prime is 11666749. The next prime is 11666797. The reversal of 11666764 is 46766611.

It is a super-2 number, since 2×11666764² = 272226764463392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1458342 + ... + 1458349.

Almost surely, 2^11666764 is an apocalyptic number.

It is an amenable number.

11666764 is a deficient number, since it is larger than the sum of its proper divisors (8750080).

11666764 is a wasteful number, since it uses less digits than its factorization.

11666764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2916695 (or 2916693 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 11666764 is about 3415.6645034312. The cubic root of 11666764 is about 226.8037012586.

The spelling of 11666764 in words is "eleven million, six hundred sixty-six thousand, seven hundred sixty-four".