331561158216 has 32 divisors (see below), whose sum is σ = 846539130240. Its totient is φ = 108168888128.

The previous prime is 331561158209. The next prime is 331561158221. The reversal of 331561158216 is 612851165133.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146967471 + ... + 146969726.

It is an arithmetic number, because the mean of its divisors is an integer number (26454347820).

Almost surely, 2^331561158216 is an apocalyptic number.

It is an amenable number.

331561158216 is an abundant number, since it is smaller than the sum of its proper divisors (514977972024).

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

331561158216 is a wasteful number, since it uses less digits than its factorization.

331561158216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293937253 (or 293937249 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The spelling of 331561158216 in words is "three hundred thirty-one billion, five hundred sixty-one million, one hundred fifty-eight thousand, two hundred sixteen".