116531621664 has 96 divisors (see below), whose sum is σ = 307322781696. Its totient is φ = 38662928640.

The previous prime is 116531621663. The next prime is 116531621677. The reversal of 116531621664 is 466126135611.

116531621664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (116531621663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43367329 + ... + 43370015.

It is an arithmetic number, because the mean of its divisors is an integer number (3201278976).

Almost surely, 2^116531621664 is an apocalyptic number.

It is an amenable number.

116531621664 is an abundant number, since it is smaller than the sum of its proper divisors (190791160032).

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

116531621664 is a wasteful number, since it uses less digits than its factorization.

116531621664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4638 (or 4630 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The spelling of 116531621664 in words is "one hundred sixteen billion, five hundred thirty-one million, six hundred twenty-one thousand, six hundred sixty-four".