5165565223 has 16 divisors (see below), whose sum is σ = 6365399040. Its totient is φ = 4082039136.

The previous prime is 5165565211. The next prime is 5165565253. The reversal of 5165565223 is 3225655615.

It is a happy number.

It is not a de Polignac number, because 5165565223 - 2²¹ = 5163468071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5165565203) 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, 40938 + ... + 109576.

It is an arithmetic number, because the mean of its divisors is an integer number (397837440).

Almost surely, 2^5165565223 is an apocalyptic number.

5165565223 is a deficient number, since it is larger than the sum of its proper divisors (1199833817).

5165565223 is a wasteful number, since it uses less digits than its factorization.

5165565223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69486.

The product of its digits is 270000, while the sum is 40.

The square root of 5165565223 is about 71871.8667003995. The cubic root of 5165565223 is about 1728.6455393430.

The spelling of 5165565223 in words is "five billion, one hundred sixty-five million, five hundred sixty-five thousand, two hundred twenty-three".