5566565161 has 8 divisors (see below), whose sum is σ = 5590594944. Its totient is φ = 5542557600.

The previous prime is 5566565113. The next prime is 5566565177. The reversal of 5566565161 is 1615656655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5566565161 - 2¹³ = 5566556969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5566565761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666765 + ... + 675061.

It is an arithmetic number, because the mean of its divisors is an integer number (698824368).

Almost surely, 2^5566565161 is an apocalyptic number.

It is an amenable number.

5566565161 is a deficient number, since it is larger than the sum of its proper divisors (24029783).

5566565161 is a wasteful number, since it uses less digits than its factorization.

5566565161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111.

The product of its digits is 810000, while the sum is 46.

The square root of 5566565161 is about 74609.4173747524. The cubic root of 5566565161 is about 1772.2667884729.

The spelling of 5566565161 in words is "five billion, five hundred sixty-six million, five hundred sixty-five thousand, one hundred sixty-one".