331328528664 has 192 divisors, whose sum is σ = 975693623040. Its totient is φ = 91822740480.

The previous prime is 331328528659. The next prime is 331328528681. The reversal of 331328528664 is 466825823133.

It is a congruent number.

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, 54608559 + ... + 54614625.

It is an arithmetic number, because the mean of its divisors is an integer number (5081737620).

Almost surely, 2^331328528664 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 331328528664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487846811520).

331328528664 is an abundant number, since it is smaller than the sum of its proper divisors (644365094376).

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

331328528664 is a wasteful number, since it uses less digits than its factorization.

331328528664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6290 (or 6213 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 51.

The spelling of 331328528664 in words is "three hundred thirty-one billion, three hundred twenty-eight million, five hundred twenty-eight thousand, six hundred sixty-four".