115816320 has 96 divisors (see below), whose sum is σ = 399948120. Its totient is φ = 30882816.

The previous prime is 115816307. The next prime is 115816361. The reversal of 115816320 is 23618511.

115816320 is a `hidden beast` number, since 1 + 1 + 581 + 63 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4294 + ... + 15813.

Almost surely, 2^115816320 is an apocalyptic number.

115816320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115816320 is an abundant number, since it is smaller than the sum of its proper divisors (284131800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115816320 is a wasteful number, since it uses less digits than its factorization.

115816320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20132 (or 20117 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 115816320 is about 10761.7991060975. The cubic root of 115816320 is about 487.4423442662.

The spelling of 115816320 in words is "one hundred fifteen million, eight hundred sixteen thousand, three hundred twenty".