115071616 has 32 divisors (see below), whose sum is σ = 250087680. Its totient is φ = 52304640.

The previous prime is 115071611. The next prime is 115071631. The reversal of 115071616 is 616170511.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (115071611) 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, 39456 + ... + 42271.

It is an arithmetic number, because the mean of its divisors is an integer number (7815240).

Almost surely, 2^115071616 is an apocalyptic number.

115071616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115071616 is an abundant number, since it is smaller than the sum of its proper divisors (135016064).

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

115071616 is an equidigital number, since it uses as much as digits as its factorization.

115071616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81752 (or 81740 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 115071616 is about 10727.1438882864. The cubic root of 115071616 is about 486.3953384249.

The spelling of 115071616 in words is "one hundred fifteen million, seventy-one thousand, six hundred sixteen".