161112664 has 16 divisors (see below), whose sum is σ = 302247720. Its totient is φ = 80513280.

The previous prime is 161112649. The next prime is 161112683. The reversal of 161112664 is 466211161.

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, 15112 + ... + 23464.

Almost surely, 2^161112664 is an apocalyptic number.

It is an amenable number.

161112664 is a deficient number, since it is larger than the sum of its proper divisors (141135056).

161112664 is a wasteful number, since it uses less digits than its factorization.

161112664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10770 (or 10766 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 161112664 is about 12693.0163475826. The cubic root of 161112664 is about 544.1390485819.

The spelling of 161112664 in words is "one hundred sixty-one million, one hundred twelve thousand, six hundred sixty-four".