520716160 has 64 divisors (see below), whose sum is σ = 1252298880. Its totient is φ = 207038464.

The previous prime is 520716107. The next prime is 520716169. The reversal of 520716160 is 61617025.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×520716160² = 542290638570291200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520716169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108369 + ... + 113071.

It is an arithmetic number, because the mean of its divisors is an integer number (19567170).

Almost surely, 2^520716160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520716160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (626149440).

520716160 is an abundant number, since it is smaller than the sum of its proper divisors (731582720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520716160 is a wasteful number, since it uses less digits than its factorization.

520716160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4895 (or 4883 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 520716160 is about 22819.2059458694. The cubic root of 520716160 is about 804.5141468544.

The spelling of 520716160 in words is "five hundred twenty million, seven hundred sixteen thousand, one hundred sixty".