518974216 has 16 divisors (see below), whose sum is σ = 986783040. Its totient is φ = 255832080.

The previous prime is 518974201. The next prime is 518974229. The reversal of 518974216 is 612479815.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456276 + ... + 457411.

It is an arithmetic number, because the mean of its divisors is an integer number (61673940).

Almost surely, 2^518974216 is an apocalyptic number.

It is an amenable number.

518974216 is a deficient number, since it is larger than the sum of its proper divisors (467808824).

518974216 is a wasteful number, since it uses less digits than its factorization.

518974216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913764 (or 913760 counting only the distinct ones).

The product of its digits is 120960, while the sum is 43.

The square root of 518974216 is about 22781.0055967686. The cubic root of 518974216 is about 803.6160349050.

The spelling of 518974216 in words is "five hundred eighteen million, nine hundred seventy-four thousand, two hundred sixteen".