161411178344 has 32 divisors (see below), whose sum is σ = 343080444000. Its totient is φ = 70576546752.

The previous prime is 161411178301. The next prime is 161411178353. The reversal of 161411178344 is 443871114161.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40840934 + ... + 40844885.

It is an arithmetic number, because the mean of its divisors is an integer number (10721263875).

Almost surely, 2^161411178344 is an apocalyptic number.

It is an amenable number.

161411178344 is an abundant number, since it is smaller than the sum of its proper divisors (181669265656).

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

161411178344 is a wasteful number, since it uses less digits than its factorization.

161411178344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81685857 (or 81685853 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The spelling of 161411178344 in words is "one hundred sixty-one billion, four hundred eleven million, one hundred seventy-eight thousand, three hundred forty-four".