161592013504 has 28 divisors (see below), whose sum is σ = 337535951800. Its totient is φ = 76543584768.

The previous prime is 161592013487. The next prime is 161592013519. The reversal of 161592013504 is 405310295161.

It is a super-2 number, since 2×161592013504² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66442869 + ... + 66445300.

Almost surely, 2^161592013504 is an apocalyptic number.

It is an amenable number.

161592013504 is an abundant number, since it is smaller than the sum of its proper divisors (175943938296).

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

161592013504 is a wasteful number, since it uses less digits than its factorization.

161592013504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132888200 (or 132888190 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 161592013504 in words is "one hundred sixty-one billion, five hundred ninety-two million, thirteen thousand, five hundred four".