117715872164 has 24 divisors (see below), whose sum is σ = 226445810976. Its totient is φ = 53098760000.

The previous prime is 117715872143. The next prime is 117715872167. The reversal of 117715872164 is 461278517711.

It is not an unprimeable number, because it can be changed into a prime (117715872167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10205537 + ... + 10217064.

It is an arithmetic number, because the mean of its divisors is an integer number (9435242124).

Almost surely, 2^117715872164 is an apocalyptic number.

It is an amenable number.

117715872164 is a deficient number, since it is larger than the sum of its proper divisors (108729938812).

117715872164 is a wasteful number, since it uses less digits than its factorization.

117715872164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20422747 (or 20422745 counting only the distinct ones).

The product of its digits is 658560, while the sum is 50.

The spelling of 117715872164 in words is "one hundred seventeen billion, seven hundred fifteen million, eight hundred seventy-two thousand, one hundred sixty-four".