11667657 has 16 divisors (see below), whose sum is σ = 16490880. Its totient is φ = 7324800.

The previous prime is 11667637. The next prime is 11667659. The reversal of 11667657 is 75676611.

It is not a de Polignac number, because 11667657 - 2⁷ = 11667529 is a prime.

It is a super-2 number, since 2×11667657² = 272268439739298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11667659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1932 + ... + 5202.

It is an arithmetic number, because the mean of its divisors is an integer number (1030680).

Almost surely, 2^11667657 is an apocalyptic number.

It is an amenable number.

11667657 is a deficient number, since it is larger than the sum of its proper divisors (4823223).

11667657 is a wasteful number, since it uses less digits than its factorization.

11667657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344.

The product of its digits is 52920, while the sum is 39.

The square root of 11667657 is about 3415.7952221994. The cubic root of 11667657 is about 226.8094877971.

The spelling of 11667657 in words is "eleven million, six hundred sixty-seven thousand, six hundred fifty-seven".