5666011165 has 4 divisors (see below), whose sum is σ = 6799213404. Its totient is φ = 4532808928.

The previous prime is 5666011159. The next prime is 5666011181. The reversal of 5666011165 is 5611106665.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3093695641 + 2572315524 = 55621^2 + 50718^2 .

It is a cyclic number.

It is not a de Polignac number, because 5666011165 - 2³ = 5666011157 is a prime.

It is a Duffinian number.

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, 566601112 + ... + 566601121.

It is an arithmetic number, because the mean of its divisors is an integer number (1699803351).

Almost surely, 2^5666011165 is an apocalyptic number.

It is an amenable number.

5666011165 is a deficient number, since it is larger than the sum of its proper divisors (1133202239).

5666011165 is a wasteful number, since it uses less digits than its factorization.

5666011165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133202238.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 5666011165 is about 75272.9112297379. The cubic root of 5666011165 is about 1782.7583338727.

The spelling of 5666011165 in words is "five billion, six hundred sixty-six million, eleven thousand, one hundred sixty-five".