520368164 has 48 divisors (see below), whose sum is σ = 980256816. Its totient is φ = 240844800.

The previous prime is 520368157. The next prime is 520368193. The reversal of 520368164 is 461863025.

It can be written as a sum of positive squares in 8 ways, for example, as 984064 + 519384100 = 992^2 + 22790^2 .

It is a super-2 number, since 2×520368164² = 541566052209461792, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1851704 + ... + 1851984.

It is an arithmetic number, because the mean of its divisors is an integer number (20422017).

Almost surely, 2^520368164 is an apocalyptic number.

It is an amenable number.

520368164 is a deficient number, since it is larger than the sum of its proper divisors (459888652).

520368164 is a wasteful number, since it uses less digits than its factorization.

520368164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 520368164 is about 22811.5796033506. The cubic root of 520368164 is about 804.3348872645.

The spelling of 520368164 in words is "five hundred twenty million, three hundred sixty-eight thousand, one hundred sixty-four".