6570917998656 has 112 divisors (see below), whose sum is σ = 19620060978240. Its totient is φ = 1922525624320.

The previous prime is 6570917998639. The next prime is 6570917998741. The reversal of 6570917998656 is 6568997190756.

It is a super-2 number, since 2×6570917998656² (a number of 26 digits) contains 22 as substring.

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, 53580651 + ... + 53703146.

Almost surely, 2^{6570917998656} is an apocalyptic number.

6570917998656 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6570917998656 is an abundant number, since it is smaller than the sum of its proper divisors (13049142979584).

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

6570917998656 is a wasteful number, since it uses less digits than its factorization.

6570917998656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107283852 (or 107283842 counting only the distinct ones).

The product of its (nonzero) digits is 1543147200, while the sum is 78.

The spelling of 6570917998656 in words is "six trillion, five hundred seventy billion, nine hundred seventeen million, nine hundred ninety-eight thousand, six hundred fifty-six".