512020510666 has 16 divisors (see below), whose sum is σ = 883340211456. Its totient is φ = 218039670576.

The previous prime is 512020510609. The next prime is 512020510667. The reversal of 512020510666 is 666015020215.

It is not an unprimeable number, because it can be changed into a prime (512020510667) 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, 116471986 + ... + 116476381.

It is an arithmetic number, because the mean of its divisors is an integer number (55208763216).

Almost surely, 2^512020510666 is an apocalyptic number.

512020510666 is a deficient number, since it is larger than the sum of its proper divisors (371319700790).

512020510666 is a wasteful number, since it uses less digits than its factorization.

512020510666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232948533.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 512020510666 in words is "five hundred twelve billion, twenty million, five hundred ten thousand, six hundred sixty-six".