11666392 has 16 divisors (see below), whose sum is σ = 21956040. Its totient is φ = 5811456.

The previous prime is 11666383. The next prime is 11666393. The reversal of 11666392 is 29366611.

It is a super-2 number, since 2×11666392² = 272209404595328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11666393) 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, 313 + ... + 4840.

Almost surely, 2^11666392 is an apocalyptic number.

It is an amenable number.

11666392 is a deficient number, since it is larger than the sum of its proper divisors (10289648).

11666392 is a wasteful number, since it uses less digits than its factorization.

11666392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5442 (or 5438 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The square root of 11666392 is about 3415.6100480002. The cubic root of 11666392 is about 226.8012906537.

The spelling of 11666392 in words is "eleven million, six hundred sixty-six thousand, three hundred ninety-two".