2668562848855 has 16 divisors (see below), whose sum is σ = 3209675101920. Its totient is φ = 2129918303232.

The previous prime is 2668562848841. The next prime is 2668562848877. The reversal of 2668562848855 is 5588482658662.

It is a cyclic number.

It is not a de Polignac number, because 2668562848855 - 2⁷ = 2668562848727 is a prime.

It is a super-2 number, since 2×2668562848855² (a number of 26 digits) contains 22 as substring.

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, 19828431 + ... + 19962559.

It is an arithmetic number, because the mean of its divisors is an integer number (200604693870).

Almost surely, 2^{2668562848855} is an apocalyptic number.

2668562848855 is a deficient number, since it is larger than the sum of its proper divisors (541112253065).

2668562848855 is a wasteful number, since it uses less digits than its factorization.

2668562848855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143298.

The product of its digits is 1769472000, while the sum is 73.

The spelling of 2668562848855 in words is "two trillion, six hundred sixty-eight billion, five hundred sixty-two million, eight hundred forty-eight thousand, eight hundred fifty-five".