662064658556 has 36 divisors (see below), whose sum is σ = 1367890547688. Its totient is φ = 279507035808.

The previous prime is 662064658481. The next prime is 662064658579. The reversal of 662064658556 is 655856460266.

It is a super-2 number, since 2×662064658556² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 662064658495 and 662064658504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25194935 + ... + 25221198.

It is an arithmetic number, because the mean of its divisors is an integer number (37996959658).

Almost surely, 2^662064658556 is an apocalyptic number.

It is an amenable number.

662064658556 is an abundant number, since it is smaller than the sum of its proper divisors (705825889132).

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

662064658556 is a wasteful number, since it uses less digits than its factorization.

662064658556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50416218 (or 50416209 counting only the distinct ones).

The product of its (nonzero) digits is 62208000, while the sum is 59.

The spelling of 662064658556 in words is "six hundred sixty-two billion, sixty-four million, six hundred fifty-eight thousand, five hundred fifty-six".