162137572 has 12 divisors (see below), whose sum is σ = 283838380. Its totient is φ = 81040896.

The previous prime is 162137561. The next prime is 162137581. The reversal of 162137572 is 275731261.

It can be written as a sum of positive squares in 2 ways, for example, as 136796416 + 25341156 = 11696^2 + 5034^2 .

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, 11608 + ... + 21424.

Almost surely, 2^162137572 is an apocalyptic number.

It is an amenable number.

162137572 is a deficient number, since it is larger than the sum of its proper divisors (121700808).

162137572 is a wasteful number, since it uses less digits than its factorization.

162137572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13950 (or 13948 counting only the distinct ones).

The product of its digits is 17640, while the sum is 34.

The square root of 162137572 is about 12733.3252530515. The cubic root of 162137572 is about 545.2904458647.

It can be divided in two parts, 1621 and 37572, that added together give a palindrome (39193).

The spelling of 162137572 in words is "one hundred sixty-two million, one hundred thirty-seven thousand, five hundred seventy-two".