115913618 has 16 divisors (see below), whose sum is σ = 177401664. Its totient is φ = 56789040.

The previous prime is 115913593. The next prime is 115913627. The reversal of 115913618 is 816319511.

It is a happy number.

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, 24203 + ... + 28593.

It is an arithmetic number, because the mean of its divisors is an integer number (11087604).

Almost surely, 2^115913618 is an apocalyptic number.

115913618 is a deficient number, since it is larger than the sum of its proper divisors (61488046).

115913618 is a wasteful number, since it uses less digits than its factorization.

115913618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657.

The product of its digits is 6480, while the sum is 35.

The square root of 115913618 is about 10766.3186837470. The cubic root of 115913618 is about 487.5788071589.

The spelling of 115913618 in words is "one hundred fifteen million, nine hundred thirteen thousand, six hundred eighteen".