5120868165 has 32 divisors (see below), whose sum is σ = 9456604416. Its totient is φ = 2317785600.

The previous prime is 5120868119. The next prime is 5120868209. The reversal of 5120868165 is 5618680215.

It is not a de Polignac number, because 5120868165 - 2⁷ = 5120868037 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230832 + ... + 252041.

It is an arithmetic number, because the mean of its divisors is an integer number (295518888).

Almost surely, 2^5120868165 is an apocalyptic number.

It is an amenable number.

5120868165 is a deficient number, since it is larger than the sum of its proper divisors (4335736251).

5120868165 is a wasteful number, since it uses less digits than its factorization.

5120868165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482989.

The product of its (nonzero) digits is 115200, while the sum is 42.

The square root of 5120868165 is about 71560.2415102129. The cubic root of 5120868165 is about 1723.6451634362.

The spelling of 5120868165 in words is "five billion, one hundred twenty million, eight hundred sixty-eight thousand, one hundred sixty-five".