11666522 has 16 divisors (see below), whose sum is σ = 21176640. Its totient is φ = 4705728.

The previous prime is 11666521. The next prime is 11666533. The reversal of 11666522 is 22566611.

It is a super-2 number, since 2×11666522² = 272215471152968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11666521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24272 + ... + 24747.

It is an arithmetic number, because the mean of its divisors is an integer number (1323540).

Almost surely, 2^11666522 is an apocalyptic number.

11666522 is a deficient number, since it is larger than the sum of its proper divisors (9510118).

11666522 is a wasteful number, since it uses less digits than its factorization.

11666522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49045.

The product of its digits is 4320, while the sum is 29.

The square root of 11666522 is about 3415.6290782226. The cubic root of 11666522 is about 226.8021330752.

The spelling of 11666522 in words is "eleven million, six hundred sixty-six thousand, five hundred twenty-two".