116565664 has 12 divisors (see below), whose sum is σ = 229488714. Its totient is φ = 58282816.

The previous prime is 116565649. The next prime is 116565677. The reversal of 116565664 is 466565611.

It can be written as a sum of positive squares in only one way, i.e., 114661264 + 1904400 = 10708^2 + 1380^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1821307 + ... + 1821370.

Almost surely, 2^116565664 is an apocalyptic number.

It is an amenable number.

116565664 is a deficient number, since it is larger than the sum of its proper divisors (112923050).

116565664 is an equidigital number, since it uses as much as digits as its factorization.

116565664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642687 (or 3642679 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The square root of 116565664 is about 10796.5579700199. The cubic root of 116565664 is about 488.4913531741.

The spelling of 116565664 in words is "one hundred sixteen million, five hundred sixty-five thousand, six hundred sixty-four".