11666907 has 12 divisors (see below), whose sum is σ = 19259760. Its totient is φ = 6666768.

The previous prime is 11666873. The next prime is 11666923. The reversal of 11666907 is 70966611.

11666907 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11666907 - 2⁶ = 11666843 is a prime.

It is a super-2 number, since 2×11666907² = 272233437893298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11666927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92532 + ... + 92657.

It is an arithmetic number, because the mean of its divisors is an integer number (1604980).

Almost surely, 2^11666907 is an apocalyptic number.

11666907 is a deficient number, since it is larger than the sum of its proper divisors (7592853).

11666907 is a wasteful number, since it uses less digits than its factorization.

11666907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185202 (or 185199 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 11666907 is about 3415.6854363363. The cubic root of 11666907 is about 226.8046279022.

The spelling of 11666907 in words is "eleven million, six hundred sixty-six thousand, nine hundred seven".