518156212 has 12 divisors (see below), whose sum is σ = 1036312480. Its totient is φ = 222066936.

The previous prime is 518156203. The next prime is 518156257. The reversal of 518156212 is 212651815.

518156212 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9252762 + ... + 9252817.

Almost surely, 2^518156212 is an apocalyptic number.

It is an amenable number.

518156212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

518156212 is a wasteful number, since it uses less digits than its factorization.

518156212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18505590 (or 18505588 counting only the distinct ones).

The product of its digits is 4800, while the sum is 31.

The square root of 518156212 is about 22763.0448754115. The cubic root of 518156212 is about 803.1935946438.

The spelling of 518156212 in words is "five hundred eighteen million, one hundred fifty-six thousand, two hundred twelve".