520572166 has 16 divisors (see below), whose sum is σ = 803382624. Its totient is φ = 252802944.

The previous prime is 520572161. The next prime is 520572167. The reversal of 520572166 is 661275025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520572161) 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, 37951 + ... + 49813.

It is an arithmetic number, because the mean of its divisors is an integer number (50211414).

Almost surely, 2^520572166 is an apocalyptic number.

520572166 is a deficient number, since it is larger than the sum of its proper divisors (282810458).

520572166 is a wasteful number, since it uses less digits than its factorization.

520572166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12495.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 520572166 is about 22816.0506223141. The cubic root of 520572166 is about 804.4399823999.

The spelling of 520572166 in words is "five hundred twenty million, five hundred seventy-two thousand, one hundred sixty-six".