662081856528 has 40 divisors (see below), whose sum is σ = 1711576889568. Its totient is φ = 220539273472.

The previous prime is 662081856521. The next prime is 662081856539. The reversal of 662081856528 is 825658180266.

It is not an unprimeable number, because it can be changed into a prime (662081856521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4764501 + ... + 4901492.

Almost surely, 2^662081856528 is an apocalyptic number.

It is an amenable number.

662081856528 is an abundant number, since it is smaller than the sum of its proper divisors (1049495033040).

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

662081856528 is a wasteful number, since it uses less digits than its factorization.

662081856528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9667431 (or 9667425 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 57.

The spelling of 662081856528 in words is "six hundred sixty-two billion, eighty-one million, eight hundred fifty-six thousand, five hundred twenty-eight".