161860448592 has 60 divisors (see below), whose sum is σ = 453182925364. Its totient is φ = 53929843200.

The previous prime is 161860448573. The next prime is 161860448609. The reversal of 161860448592 is 295844068161.

161860448592 is a `hidden beast` number, since 1 + 6 + 1 + 8 + 6 + 0 + 4 + 48 + 592 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 116455657536 + 45404791056 = 341256^2 + 213084^2 .

It is a congruent number.

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, 85092 + ... + 575292.

Almost surely, 2^161860448592 is an apocalyptic number.

161860448592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161860448592 is an abundant number, since it is smaller than the sum of its proper divisors (291322476772).

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

161860448592 is a wasteful number, since it uses less digits than its factorization.

161860448592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492508 (or 492499 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 161860448592 in words is "one hundred sixty-one billion, eight hundred sixty million, four hundred forty-eight thousand, five hundred ninety-two".