647325815160 has 64 divisors (see below), whose sum is σ = 1968579902880. Its totient is φ = 170255554560.

The previous prime is 647325815141. The next prime is 647325815243. The reversal of 647325815160 is 61518523746.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36939061 + ... + 36956580.

Almost surely, 2^647325815160 is an apocalyptic number.

647325815160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

647325815160 is an abundant number, since it is smaller than the sum of its proper divisors (1321254087720).

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

647325815160 is a wasteful number, since it uses less digits than its factorization.

647325815160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73895728 (or 73895724 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 647325815160 in words is "six hundred forty-seven billion, three hundred twenty-five million, eight hundred fifteen thousand, one hundred sixty".