331177384642160 has 80 divisors (see below), whose sum is σ = 880124496182976. Its totient is φ = 113528612634624.

The previous prime is 331177384642147. The next prime is 331177384642199. The reversal of 331177384642160 is 61246483771133.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 331177384642096 and 331177384642105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43112807 + ... + 50210246.

Almost surely, 2^{331177384642160} is an apocalyptic number.

It is an amenable number.

331177384642160 is an abundant number, since it is smaller than the sum of its proper divisors (548947111540816).

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

331177384642160 is a wasteful number, since it uses less digits than its factorization.

331177384642160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93329410 (or 93329404 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 56.

The spelling of 331177384642160 in words is "three hundred thirty-one trillion, one hundred seventy-seven billion, three hundred eighty-four million, six hundred forty-two thousand, one hundred sixty".