161376444160 has 36 divisors (see below), whose sum is σ = 386547016968. Its totient is φ = 64550577152.

The previous prime is 161376444109. The next prime is 161376444227. The reversal of 161376444160 is 61444673161.

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, 63036394 + ... + 63038953.

It is an arithmetic number, because the mean of its divisors is an integer number (10737417138).

Almost surely, 2^161376444160 is an apocalyptic number.

161376444160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161376444160 is an abundant number, since it is smaller than the sum of its proper divisors (225170572808).

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

161376444160 is an equidigital number, since it uses as much as digits as its factorization.

161376444160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126075368 (or 126075354 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 161376444160 in words is "one hundred sixty-one billion, three hundred seventy-six million, four hundred forty-four thousand, one hundred sixty".