11668172 has 12 divisors (see below), whose sum is σ = 20971440. Its totient is φ = 5676336.

The previous prime is 11668169. The next prime is 11668193. The reversal of 11668172 is 27186611.

It is a happy number.

It is a super-2 number, since 2×11668172² = 272292475643168, 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, 39272 + ... + 39567.

It is an arithmetic number, because the mean of its divisors is an integer number (1747620).

Almost surely, 2^11668172 is an apocalyptic number.

It is an amenable number.

11668172 is a deficient number, since it is larger than the sum of its proper divisors (9303268).

11668172 is a wasteful number, since it uses less digits than its factorization.

11668172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78880 (or 78878 counting only the distinct ones).

The product of its digits is 4032, while the sum is 32.

The square root of 11668172 is about 3415.8706064487. The cubic root of 11668172 is about 226.8128248043.

The spelling of 11668172 in words is "eleven million, six hundred sixty-eight thousand, one hundred seventy-two".