518315855901366 has 64 divisors (see below), whose sum is σ = 1098897625921536. Its totient is φ = 162418157721600.

The previous prime is 518315855901329. The next prime is 518315855901391. The reversal of 518315855901366 is 663109558513815.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 518315855901297 and 518315855901306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2752468771 + ... + 2752657073.

It is an arithmetic number, because the mean of its divisors is an integer number (17170275405024).

Almost surely, 2^{518315855901366} is an apocalyptic number.

518315855901366 is an abundant number, since it is smaller than the sum of its proper divisors (580581770020170).

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

518315855901366 is a wasteful number, since it uses less digits than its factorization.

518315855901366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219837.

The product of its (nonzero) digits is 116640000, while the sum is 66.

The spelling of 518315855901366 in words is "five hundred eighteen trillion, three hundred fifteen billion, eight hundred fifty-five million, nine hundred one thousand, three hundred sixty-six".