161710204474 has 64 divisors (see below), whose sum is σ = 301053553920. Its totient is φ = 63436193280.

The previous prime is 161710204399. The next prime is 161710204477. The reversal of 161710204474 is 474402017161.

It is not an unprimeable number, because it can be changed into a prime (161710204477) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23802022 + ... + 23808814.

It is an arithmetic number, because the mean of its divisors is an integer number (4703961780).

Almost surely, 2^161710204474 is an apocalyptic number.

161710204474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

161710204474 is a deficient number, since it is larger than the sum of its proper divisors (139343349446).

161710204474 is a wasteful number, since it uses less digits than its factorization.

161710204474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7895.

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 161710204474 in words is "one hundred sixty-one billion, seven hundred ten million, two hundred four thousand, four hundred seventy-four".