161192332770 has 64 divisors (see below), whose sum is σ = 456389738496. Its totient is φ = 35655445440.

The previous prime is 161192332733. The next prime is 161192332789. The reversal of 161192332770 is 77233291161.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12373854 + ... + 12386873.

It is an arithmetic number, because the mean of its divisors is an integer number (7131089664).

Almost surely, 2^161192332770 is an apocalyptic number.

161192332770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161192332770 is an abundant number, since it is smaller than the sum of its proper divisors (295197405726).

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

161192332770 is a wasteful number, since it uses less digits than its factorization.

161192332770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24760775.

The product of its (nonzero) digits is 95256, while the sum is 42.

The spelling of 161192332770 in words is "one hundred sixty-one billion, one hundred ninety-two million, three hundred thirty-two thousand, seven hundred seventy".