6571974816768 has 44 divisors (see below), whose sum is σ = 17516708927360. Its totient is φ = 2190658271232.

The previous prime is 6571974816767. The next prime is 6571974816769. The reversal of 6571974816768 is 8676184791756.

It is an interprime number because it is at equal distance from previous prime (6571974816767) and next prime (6571974816769).

It is a self number, because there is not a number n which added to its sum of digits gives 6571974816768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6571974816767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069654288 + ... + 1069660431.

Almost surely, 2^{6571974816768} is an apocalyptic number.

It is an amenable number.

6571974816768 is an abundant number, since it is smaller than the sum of its proper divisors (10944734110592).

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

6571974816768 is a wasteful number, since it uses less digits than its factorization.

6571974816768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139314742 (or 2139314724 counting only the distinct ones).

The product of its digits is 853493760, while the sum is 75.

The spelling of 6571974816768 in words is "six trillion, five hundred seventy-one billion, nine hundred seventy-four million, eight hundred sixteen thousand, seven hundred sixty-eight".