115855664 has 20 divisors (see below), whose sum is σ = 226533120. Its totient is φ = 57395520.

The previous prime is 115855643. The next prime is 115855679. The reversal of 115855664 is 466558511.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31472 + ... + 34959.

It is an arithmetic number, because the mean of its divisors is an integer number (11326656).

Almost surely, 2^115855664 is an apocalyptic number.

It is an amenable number.

115855664 is a deficient number, since it is larger than the sum of its proper divisors (110677456).

115855664 is a wasteful number, since it uses less digits than its factorization.

115855664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66548 (or 66542 counting only the distinct ones).

The product of its digits is 144000, while the sum is 41.

The square root of 115855664 is about 10763.6268980302. The cubic root of 115855664 is about 487.4975344166.

The spelling of 115855664 in words is "one hundred fifteen million, eight hundred fifty-five thousand, six hundred sixty-four".