520163272 has 16 divisors (see below), whose sum is σ = 982753200. Its totient is φ = 258095760.

The previous prime is 520163243. The next prime is 520163309. The reversal of 520163272 is 272361025.

It is a self number, because there is not a number n which added to its sum of digits gives 520163272.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247122 + ... + 249217.

It is an arithmetic number, because the mean of its divisors is an integer number (61422075).

Almost surely, 2^520163272 is an apocalyptic number.

It is an amenable number.

520163272 is a deficient number, since it is larger than the sum of its proper divisors (462589928).

520163272 is a wasteful number, since it uses less digits than its factorization.

520163272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496476 (or 496472 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 520163272 is about 22807.0881964358. The cubic root of 520163272 is about 804.2293059794.

The spelling of 520163272 in words is "five hundred twenty million, one hundred sixty-three thousand, two hundred seventy-two".