331645456155 has 64 divisors (see below), whose sum is σ = 574249592448. Its totient is φ = 162473472000.

The previous prime is 331645456099. The next prime is 331645456183. The reversal of 331645456155 is 551654546133.

It is not a de Polignac number, because 331645456155 - 2⁹ = 331645455643 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47367655 + ... + 47374655.

It is an arithmetic number, because the mean of its divisors is an integer number (8972649882).

Almost surely, 2^331645456155 is an apocalyptic number.

331645456155 is a deficient number, since it is larger than the sum of its proper divisors (242604136293).

331645456155 is a wasteful number, since it uses less digits than its factorization.

331645456155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8176.

The product of its digits is 3240000, while the sum is 48.

The spelling of 331645456155 in words is "three hundred thirty-one billion, six hundred forty-five million, four hundred fifty-six thousand, one hundred fifty-five".