162621027056720 has 40 divisors (see below), whose sum is σ = 378193308516576. Its totient is φ = 65031306201728.

The previous prime is 162621027056717. The next prime is 162621027056749. The reversal of 162621027056720 is 27650720126261.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266953562 + ... + 267562041.

Almost surely, 2^{162621027056720} is an apocalyptic number.

162621027056720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162621027056720 is an abundant number, since it is smaller than the sum of its proper divisors (215572281459856).

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

162621027056720 is a wasteful number, since it uses less digits than its factorization.

162621027056720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534519419 (or 534519413 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 162621027056720 in words is "one hundred sixty-two trillion, six hundred twenty-one billion, twenty-seven million, fifty-six thousand, seven hundred twenty".