162139944 has 32 divisors (see below), whose sum is σ = 406264320. Its totient is φ = 53924736.

The previous prime is 162139921. The next prime is 162139979. The reversal of 162139944 is 449931261.

It is a super-2 number, since 2×162139944² = 52578722880646272, which contains 22 as substring.

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, 3577 + ... + 18359.

It is an arithmetic number, because the mean of its divisors is an integer number (12695760).

Almost surely, 2^162139944 is an apocalyptic number.

It is an amenable number.

162139944 is an abundant number, since it is smaller than the sum of its proper divisors (244124376).

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

162139944 is a wasteful number, since it uses less digits than its factorization.

162139944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15249 (or 15245 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 162139944 is about 12733.4183941312. The cubic root of 162139944 is about 545.2931049700.

The spelling of 162139944 in words is "one hundred sixty-two million, one hundred thirty-nine thousand, nine hundred forty-four".