646710573108 has 24 divisors (see below), whose sum is σ = 1509337796512. Its totient is φ = 215520696864.

The previous prime is 646710573073. The next prime is 646710573127. The reversal of 646710573108 is 801375017646.

646710573108 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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, 6132310 + ... + 6236877.

Almost surely, 2^646710573108 is an apocalyptic number.

It is an amenable number.

646710573108 is an abundant number, since it is smaller than the sum of its proper divisors (862627223404).

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

646710573108 is a wasteful number, since it uses less digits than its factorization.

646710573108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12373551 (or 12373549 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 646710573108 in words is "six hundred forty-six billion, seven hundred ten million, five hundred seventy-three thousand, one hundred eight".