161929426588 has 12 divisors (see below), whose sum is σ = 283465323792. Its totient is φ = 80939334080.

The previous prime is 161929426567. The next prime is 161929426591. The reversal of 161929426588 is 885624929161.

161929426588 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161929426588² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 6330445 + ... + 6355972.

It is an arithmetic number, because the mean of its divisors is an integer number (23622110316).

Almost surely, 2^161929426588 is an apocalyptic number.

It is an amenable number.

161929426588 is a deficient number, since it is larger than the sum of its proper divisors (121535897204).

161929426588 is a wasteful number, since it uses less digits than its factorization.

161929426588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12689612 (or 12689610 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 61.

The spelling of 161929426588 in words is "one hundred sixty-one billion, nine hundred twenty-nine million, four hundred twenty-six thousand, five hundred eighty-eight".