161131466356232 has 64 divisors (see below), whose sum is σ = 316138628721600. Its totient is φ = 76936502406400.

The previous prime is 161131466356177. The next prime is 161131466356261. The reversal of 161131466356232 is 232653664131161.

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, 29360198 + ... + 34413429.

It is an arithmetic number, because the mean of its divisors is an integer number (4939666073775).

Almost surely, 2^{161131466356232} is an apocalyptic number.

It is an amenable number.

161131466356232 is a deficient number, since it is larger than the sum of its proper divisors (155007162365368).

161131466356232 is a wasteful number, since it uses less digits than its factorization.

161131466356232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63773846 (or 63773842 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 50.

The spelling of 161131466356232 in words is "one hundred sixty-one trillion, one hundred thirty-one billion, four hundred sixty-six million, three hundred fifty-six thousand, two hundred thirty-two".