520150666 has 32 divisors (see below), whose sum is σ = 953914752. Its totient is φ = 207636480.

The previous prime is 520150651. The next prime is 520150691. The reversal of 520150666 is 666051025.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11821 + ... + 34351.

It is an arithmetic number, because the mean of its divisors is an integer number (29809836).

Almost surely, 2^520150666 is an apocalyptic number.

520150666 is a deficient number, since it is larger than the sum of its proper divisors (433764086).

520150666 is a wasteful number, since it uses less digits than its factorization.

520150666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22654.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 520150666 is about 22806.8118333098. The cubic root of 520150666 is about 804.2228091754. Note that the first 3 decimals are identical.

The spelling of 520150666 in words is "five hundred twenty million, one hundred fifty thousand, six hundred sixty-six".