520655716 has 24 divisors (see below), whose sum is σ = 1041828480. Its totient is φ = 223027392.

The previous prime is 520655711. The next prime is 520655743. The reversal of 520655716 is 617556025.

It is not an unprimeable number, because it can be changed into a prime (520655711) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 80001 + ... + 86263.

It is an arithmetic number, because the mean of its divisors is an integer number (43409520).

Almost surely, 2^520655716 is an apocalyptic number.

It is an amenable number.

520655716 is an abundant number, since it is smaller than the sum of its proper divisors (521172764).

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

520655716 is a wasteful number, since it uses less digits than its factorization.

520655716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9243 (or 9241 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 520655716 is about 22817.8814967560. The cubic root of 520655716 is about 804.4830166927.

The spelling of 520655716 in words is "five hundred twenty million, six hundred fifty-five thousand, seven hundred sixteen".