162897620 has 48 divisors (see below), whose sum is σ = 350542080. Its totient is φ = 63563136.

The previous prime is 162897613. The next prime is 162897733. The reversal of 162897620 is 26798261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253019 + ... + 253661.

It is an arithmetic number, because the mean of its divisors is an integer number (7302960).

Almost surely, 2^162897620 is an apocalyptic number.

162897620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162897620 is an abundant number, since it is smaller than the sum of its proper divisors (187644460).

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

162897620 is a wasteful number, since it uses less digits than its factorization.

162897620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 162897620 is about 12763.1351947709. The cubic root of 162897620 is about 546.1411658051.

The spelling of 162897620 in words is "one hundred sixty-two million, eight hundred ninety-seven thousand, six hundred twenty".