662118564120280 has 64 divisors (see below), whose sum is σ = 1491542027164800. Its totient is φ = 264531940999680.

The previous prime is 662118564120191. The next prime is 662118564120379. The reversal of 662118564120280 is 82021465811266.

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, 179920290 + ... + 183563470.

It is an arithmetic number, because the mean of its divisors is an integer number (23305344174450).

Almost surely, 2^{662118564120280} is an apocalyptic number.

It is an amenable number.

662118564120280 is an abundant number, since it is smaller than the sum of its proper divisors (829423463044520).

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

662118564120280 is a wasteful number, since it uses less digits than its factorization.

662118564120280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648604 (or 3648600 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 662118564120280 in words is "six hundred sixty-two trillion, one hundred eighteen billion, five hundred sixty-four million, one hundred twenty thousand, two hundred eighty".