518817066 has 16 divisors (see below), whose sum is σ = 1038662688. Its totient is φ = 172767600.

The previous prime is 518817041. The next prime is 518817073. The reversal of 518817066 is 660718815.

It is a super-2 number, since 2×518817066² = 538342295945696712, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36220 + ... + 48471.

It is an arithmetic number, because the mean of its divisors is an integer number (64916418).

Almost surely, 2^518817066 is an apocalyptic number.

518817066 is an abundant number, since it is smaller than the sum of its proper divisors (519845622).

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

518817066 is a wasteful number, since it uses less digits than its factorization.

518817066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85717.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 518817066 is about 22777.5561902501. The cubic root of 518817066 is about 803.5349126930.

The spelling of 518817066 in words is "five hundred eighteen million, eight hundred seventeen thousand, sixty-six".