162720536 has 16 divisors (see below), whose sum is σ = 332837640. Its totient is φ = 73963840.

The previous prime is 162720529. The next prime is 162720589. The reversal of 162720536 is 635027261.

162720536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×162720536² = 52955945672254592, which contains 22 as substring.

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, 924461 + ... + 924636.

Almost surely, 2^162720536 is an apocalyptic number.

It is an amenable number.

162720536 is an abundant number, since it is smaller than the sum of its proper divisors (170117104).

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

162720536 is a wasteful number, since it uses less digits than its factorization.

162720536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849114 (or 1849110 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 162720536 is about 12756.1959846970. The cubic root of 162720536 is about 545.9431929342.

Adding to 162720536 its reverse (635027261), we get a palindrome (797747797).

The spelling of 162720536 in words is "one hundred sixty-two million, seven hundred twenty thousand, five hundred thirty-six".