6568987583961 has 32 divisors (see below), whose sum is σ = 10675855987200. Its totient is φ = 3958963197840.

The previous prime is 6568987583909. The next prime is 6568987583987. The reversal of 6568987583961 is 1693857898656.

It is not a de Polignac number, because 6568987583961 - 2¹⁵ = 6568987551193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6568987583461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61728411 + ... + 61834736.

It is an arithmetic number, because the mean of its divisors is an integer number (333620499600).

Almost surely, 2^{6568987583961} is an apocalyptic number.

It is an amenable number.

6568987583961 is a deficient number, since it is larger than the sum of its proper divisors (4106868403239).

6568987583961 is a wasteful number, since it uses less digits than its factorization.

6568987583961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123563346 (or 123563340 counting only the distinct ones).

The product of its digits is 4702924800, while the sum is 81.

The spelling of 6568987583961 in words is "six trillion, five hundred sixty-eight billion, nine hundred eighty-seven million, five hundred eighty-three thousand, nine hundred sixty-one".