161476565604 has 36 divisors (see below), whose sum is σ = 382010859216. Its totient is φ = 53088164928.

The previous prime is 161476565597. The next prime is 161476565617. The reversal of 161476565604 is 406565674161.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1198614 + ... + 1326509.

It is an arithmetic number, because the mean of its divisors is an integer number (10611412756).

Almost surely, 2^161476565604 is an apocalyptic number.

It is an amenable number.

161476565604 is an abundant number, since it is smaller than the sum of its proper divisors (220534293612).

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

161476565604 is a wasteful number, since it uses less digits than its factorization.

161476565604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525276 (or 2525201 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 161476565604 in words is "one hundred sixty-one billion, four hundred seventy-six million, five hundred sixty-five thousand, six hundred four".