518852168538 has 32 divisors (see below), whose sum is σ = 1132103673792. Its totient is φ = 157219238400.

The previous prime is 518852168507. The next prime is 518852168561. The reversal of 518852168538 is 835861258815.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1040428 + ... + 1456088.

It is an arithmetic number, because the mean of its divisors is an integer number (35378239806).

Almost surely, 2^518852168538 is an apocalyptic number.

518852168538 is an abundant number, since it is smaller than the sum of its proper divisors (613251505254).

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

518852168538 is a wasteful number, since it uses less digits than its factorization.

518852168538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434590.

The product of its digits is 18432000, while the sum is 60.

The spelling of 518852168538 in words is "five hundred eighteen billion, eight hundred fifty-two million, one hundred sixty-eight thousand, five hundred thirty-eight".