646600284804 has 96 divisors (see below), whose sum is σ = 1545404084224. Its totient is φ = 210359773440.

The previous prime is 646600284763. The next prime is 646600284821. The reversal of 646600284804 is 408482006646.

It is a super-2 number, since 2×646600284804² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240997647 + ... + 241000329.

Almost surely, 2^646600284804 is an apocalyptic number.

It is an amenable number.

646600284804 is an abundant number, since it is smaller than the sum of its proper divisors (898803799420).

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

646600284804 is a wasteful number, since it uses less digits than its factorization.

646600284804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5537 (or 5535 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 48.

The spelling of 646600284804 in words is "six hundred forty-six billion, six hundred million, two hundred eighty-four thousand, eight hundred four".