162139664 has 10 divisors (see below), whose sum is σ = 314145630. Its totient is φ = 81069824.

The previous prime is 162139657. The next prime is 162139669. The reversal of 162139664 is 466931261.

It can be written as a sum of positive squares in only one way, i.e., 149035264 + 13104400 = 12208^2 + 3620^2 .

It is not an unprimeable number, because it can be changed into a prime (162139669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5066849 + ... + 5066880.

It is an arithmetic number, because the mean of its divisors is an integer number (31414563).

Almost surely, 2^162139664 is an apocalyptic number.

It is an amenable number.

162139664 is a deficient number, since it is larger than the sum of its proper divisors (152005966).

162139664 is a wasteful number, since it uses less digits than its factorization.

162139664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10133737 (or 10133731 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 162139664 is about 12733.4073994355. The cubic root of 162139664 is about 545.2927910803.

The spelling of 162139664 in words is "one hundred sixty-two million, one hundred thirty-nine thousand, six hundred sixty-four".