162656540 has 24 divisors (see below), whose sum is σ = 343356720. Its totient is φ = 64723968.

The previous prime is 162656537. The next prime is 162656579. The reversal of 162656540 is 45656261.

162656540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 162656540.

It is a congruent number.

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, 17210 + ... + 24929.

It is an arithmetic number, because the mean of its divisors is an integer number (14306530).

Almost surely, 2^162656540 is an apocalyptic number.

162656540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162656540 is an abundant number, since it is smaller than the sum of its proper divisors (180700180).

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

162656540 is a wasteful number, since it uses less digits than its factorization.

162656540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42341 (or 42339 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 162656540 is about 12753.6873099508. The cubic root of 162656540 is about 545.8716126188.

The spelling of 162656540 in words is "one hundred sixty-two million, six hundred fifty-six thousand, five hundred forty".