11666888 has 32 divisors (see below), whose sum is σ = 23025600. Its totient is φ = 5531328.

The previous prime is 11666873. The next prime is 11666923. The reversal of 11666888 is 88866611.

It is a happy number.

It is a super-2 number, since 2×11666888² = 272232551209088, which contains 22 as substring.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29798 + ... + 30186.

It is an arithmetic number, because the mean of its divisors is an integer number (719550).

Almost surely, 2^11666888 is an apocalyptic number.

It is an amenable number.

11666888 is a deficient number, since it is larger than the sum of its proper divisors (11358712).

11666888 is a wasteful number, since it uses less digits than its factorization.

11666888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581 (or 577 counting only the distinct ones).

The product of its digits is 110592, while the sum is 44.

The square root of 11666888 is about 3415.6826550486. The cubic root of 11666888 is about 226.8045047821.

The spelling of 11666888 in words is "eleven million, six hundred sixty-six thousand, eight hundred eighty-eight".