518958357168 has 30 divisors (see below), whose sum is σ = 1340655316204. Its totient is φ = 172984455392.

The previous prime is 518958357161. The next prime is 518958357209. The reversal of 518958357168 is 861753859815.

It is a junction number, because it is equal to n+sod(n) for n = 518958357099 and 518958357108.

It is not an unprimeable number, because it can be changed into a prime (518958357161) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 4939003 + ... + 5042981.

Almost surely, 2^518958357168 is an apocalyptic number.

It is an amenable number.

518958357168 is an abundant number, since it is smaller than the sum of its proper divisors (821696959036).

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

518958357168 is an frugal number, since it uses more digits than its factorization.

518958357168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207969 (or 103984 counting only the distinct ones).

The product of its digits is 72576000, while the sum is 66.

The spelling of 518958357168 in words is "five hundred eighteen billion, nine hundred fifty-eight million, three hundred fifty-seven thousand, one hundred sixty-eight".