5156545165 has 32 divisors (see below), whose sum is σ = 6540652800. Its totient is φ = 3898492416.

The previous prime is 5156545157. The next prime is 5156545171. The reversal of 5156545165 is 5615456515.

It is a cyclic number.

It is not a de Polignac number, because 5156545165 - 2³ = 5156545157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 828736 + ... + 834934.

It is an arithmetic number, because the mean of its divisors is an integer number (204395400).

Almost surely, 2^5156545165 is an apocalyptic number.

It is an amenable number.

5156545165 is a deficient number, since it is larger than the sum of its proper divisors (1384107635).

5156545165 is a wasteful number, since it uses less digits than its factorization.

5156545165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6373.

The product of its digits is 450000, while the sum is 43.

The square root of 5156545165 is about 71809.0883175660. The cubic root of 5156545165 is about 1727.6387719659.

The spelling of 5156545165 in words is "five billion, one hundred fifty-six million, five hundred forty-five thousand, one hundred sixty-five".