161332380325 has 24 divisors (see below), whose sum is σ = 203109678720. Its totient is φ = 127094668800.

The previous prime is 161332380277. The next prime is 161332380331. The reversal of 161332380325 is 523083233161.

It is not a de Polignac number, because 161332380325 - 2³⁷ = 23893426853 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5208885 + ... + 5239765.

It is an arithmetic number, because the mean of its divisors is an integer number (8462903280).

Almost surely, 2^161332380325 is an apocalyptic number.

It is an amenable number.

161332380325 is a deficient number, since it is larger than the sum of its proper divisors (41777298395).

161332380325 is a wasteful number, since it uses less digits than its factorization.

161332380325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34077 (or 34072 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 161332380325 in words is "one hundred sixty-one billion, three hundred thirty-two million, three hundred eighty thousand, three hundred twenty-five".