331915384164 has 144 divisors (see below), whose sum is σ = 959648135040. Its totient is φ = 87426892800.

The previous prime is 331915384159. The next prime is 331915384181. The reversal of 331915384164 is 461483519133.

It is a super-2 number, since 2×331915384164² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11470114 + ... + 11499014.

It is an arithmetic number, because the mean of its divisors is an integer number (6664223160).

Almost surely, 2^331915384164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331915384164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479824067520).

331915384164 is an abundant number, since it is smaller than the sum of its proper divisors (627732750876).

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

331915384164 is a wasteful number, since it uses less digits than its factorization.

331915384164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29750 (or 29735 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The spelling of 331915384164 in words is "three hundred thirty-one billion, nine hundred fifteen million, three hundred eighty-four thousand, one hundred sixty-four".