331478754164 has 24 divisors (see below), whose sum is σ = 589198306368. Its totient is φ = 163140183360.

The previous prime is 331478754149. The next prime is 331478754169. The reversal of 331478754164 is 461457874133.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331478754169) 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, 125417 + ... + 823824.

It is an arithmetic number, because the mean of its divisors is an integer number (24549929432).

Almost surely, 2^331478754164 is an apocalyptic number.

It is an amenable number.

331478754164 is a deficient number, since it is larger than the sum of its proper divisors (257719552204).

331478754164 is a wasteful number, since it uses less digits than its factorization.

331478754164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950615 (or 950613 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 53.

The spelling of 331478754164 in words is "three hundred thirty-one billion, four hundred seventy-eight million, seven hundred fifty-four thousand, one hundred sixty-four".