662550112665 has 48 divisors (see below), whose sum is σ = 1343003046528. Its totient is φ = 295836323328.

The previous prime is 662550112643. The next prime is 662550112681. The reversal of 662550112665 is 566211055266.

662550112665 is a `hidden beast` number, since 6 + 6 + 2 + 550 + 11 + 26 + 65 = 666.

It is not a de Polignac number, because 662550112665 - 2⁸ = 662550112409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 662550112665.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24443824 + ... + 24470913.

It is an arithmetic number, because the mean of its divisors is an integer number (27979230136).

Almost surely, 2^662550112665 is an apocalyptic number.

It is an amenable number.

662550112665 is an abundant number, since it is smaller than the sum of its proper divisors (680452933863).

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

662550112665 is a wasteful number, since it uses less digits than its factorization.

662550112665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48914798 (or 48914795 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 662550112665 in words is "six hundred sixty-two billion, five hundred fifty million, one hundred twelve thousand, six hundred sixty-five".