115616464 has 20 divisors (see below), whose sum is σ = 224975556. Its totient is φ = 57558272.

The previous prime is 115616461. The next prime is 115616467. The reversal of 115616464 is 464616511.

It is an interprime number because it is at equal distance from previous prime (115616461) and next prime (115616467).

It can be written as a sum of positive squares in 2 ways, for example, as 7290000 + 108326464 = 2700^2 + 10408^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115616461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11779 + ... + 19234.

Almost surely, 2^115616464 is an apocalyptic number.

It is an amenable number.

115616464 is a deficient number, since it is larger than the sum of its proper divisors (109359092).

115616464 is a wasteful number, since it uses less digits than its factorization.

115616464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31254 (or 31248 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 115616464 is about 10752.5096605397. The cubic root of 115616464 is about 487.1618012856.

The spelling of 115616464 in words is "one hundred fifteen million, six hundred sixteen thousand, four hundred sixty-four".