5181913168 has 20 divisors (see below), whose sum is σ = 10568376160. Its totient is φ = 2454590304.

The previous prime is 5181913153. The next prime is 5181913201. The reversal of 5181913168 is 8613191815.

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, 8522580 + ... + 8523187.

It is an arithmetic number, because the mean of its divisors is an integer number (528418808).

Almost surely, 2^5181913168 is an apocalyptic number.

It is an amenable number.

5181913168 is an abundant number, since it is smaller than the sum of its proper divisors (5386462992).

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

5181913168 is a wasteful number, since it uses less digits than its factorization.

5181913168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17045794 (or 17045788 counting only the distinct ones).

The product of its digits is 51840, while the sum is 43.

The square root of 5181913168 is about 71985.5066523811. The cubic root of 5181913168 is about 1730.4672207497.

The spelling of 5181913168 in words is "five billion, one hundred eighty-one million, nine hundred thirteen thousand, one hundred sixty-eight".