520666503160 has 16 divisors (see below), whose sum is σ = 1171499632200. Its totient is φ = 208266601248.

The previous prime is 520666503143. The next prime is 520666503163. The reversal of 520666503160 is 61305666025.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 13016662579 = 520666503160 / (5 + 2 + 0 + 6 + 6 + 6 + 5 + 0 + 3 + 1 + 6 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520666503163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6508331250 + ... + 6508331329.

Almost surely, 2^520666503160 is an apocalyptic number.

It is an amenable number.

520666503160 is an abundant number, since it is smaller than the sum of its proper divisors (650833129040).

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

520666503160 is a wasteful number, since it uses less digits than its factorization.

520666503160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13016662590 (or 13016662586 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 520666503160 in words is "five hundred twenty billion, six hundred sixty-six million, five hundred three thousand, one hundred sixty".