2668562848856 has 16 divisors (see below), whose sum is σ = 5004158522040. Its totient is φ = 1334120576320.

The previous prime is 2668562848841. The next prime is 2668562848877. The reversal of 2668562848856 is 6588482658662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20035490 + ... + 20168241.

Almost surely, 2^{2668562848856} is an apocalyptic number.

It is an amenable number.

2668562848856 is a deficient number, since it is larger than the sum of its proper divisors (2335595673184).

2668562848856 is a wasteful number, since it uses less digits than its factorization.

2668562848856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40212034 (or 40212030 counting only the distinct ones).

The product of its digits is 2123366400, while the sum is 74.

The spelling of 2668562848856 in words is "two trillion, six hundred sixty-eight billion, five hundred sixty-two million, eight hundred forty-eight thousand, eight hundred fifty-six".