5666601165 has 16 divisors (see below), whose sum is σ = 9068180928. Its totient is φ = 3021647616.

The previous prime is 5666601163. The next prime is 5666601223. The reversal of 5666601165 is 5611066665.

It is not a de Polignac number, because 5666601165 - 2¹ = 5666601163 is a prime.

It is a super-2 number, since 2×5666601165² = 64220737526358714450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666601163) 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, 61797 + ... + 123093.

It is an arithmetic number, because the mean of its divisors is an integer number (566761308).

Almost surely, 2^5666601165 is an apocalyptic number.

It is an amenable number.

5666601165 is a deficient number, since it is larger than the sum of its proper divisors (3401579763).

5666601165 is a wasteful number, since it uses less digits than its factorization.

5666601165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67468.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 5666601165 is about 75276.8302002681. The cubic root of 5666601165 is about 1782.8202110840.

The spelling of 5666601165 in words is "five billion, six hundred sixty-six million, six hundred one thousand, one hundred sixty-five".