5666777158689 has 16 divisors (see below), whose sum is σ = 8395297747200. Its totient is φ = 3777818892048.

The previous prime is 5666777158667. The next prime is 5666777158699. The reversal of 5666777158689 is 9868517776665.

It is not a de Polignac number, because 5666777158689 - 2¹² = 5666777154593 is a prime.

It is a super-2 number, since 2×5666777158689² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5666777158699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2524312 + ... + 4207814.

It is an arithmetic number, because the mean of its divisors is an integer number (524706109200).

Almost surely, 2^{5666777158689} is an apocalyptic number.

It is an amenable number.

5666777158689 is a deficient number, since it is larger than the sum of its proper divisors (2728520588511).

5666777158689 is a wasteful number, since it uses less digits than its factorization.

5666777158689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808181 (or 1808175 counting only the distinct ones).

The product of its digits is 6401203200, while the sum is 81.

The spelling of 5666777158689 in words is "five trillion, six hundred sixty-six billion, seven hundred seventy-seven million, one hundred fifty-eight thousand, six hundred eighty-nine".