646104604630 has 16 divisors (see below), whose sum is σ = 1163468310624. Its totient is φ = 258335170240.

The previous prime is 646104604619. The next prime is 646104604667. The reversal of 646104604630 is 36406401646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13308511 + ... + 13356970.

It is an arithmetic number, because the mean of its divisors is an integer number (72716769414).

Almost surely, 2^646104604630 is an apocalyptic number.

646104604630 is a deficient number, since it is larger than the sum of its proper divisors (517363705994).

646104604630 is a wasteful number, since it uses less digits than its factorization.

646104604630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26667911.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 646104604630 in words is "six hundred forty-six billion, one hundred four million, six hundred four thousand, six hundred thirty".