5215906584168 has 128 divisors (see below), whose sum is σ = 15022517452800. Its totient is φ = 1478270352384.

The previous prime is 5215906584139. The next prime is 5215906584179. The reversal of 5215906584168 is 8614856095125.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148630368 + ... + 148665456.

It is an arithmetic number, because the mean of its divisors is an integer number (117363417600).

Almost surely, 2^{5215906584168} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5215906584168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7511258726400).

5215906584168 is an abundant number, since it is smaller than the sum of its proper divisors (9806610868632).

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

5215906584168 is a wasteful number, since it uses less digits than its factorization.

5215906584168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42199 (or 42195 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 60.

The spelling of 5215906584168 in words is "five trillion, two hundred fifteen billion, nine hundred six million, five hundred eighty-four thousand, one hundred sixty-eight".