5161788608 has 56 divisors (see below), whose sum is σ = 10998366624. Its totient is φ = 2394828800.

The previous prime is 5161788587. The next prime is 5161788623. The reversal of 5161788608 is 8068871615.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43838 + ... + 110658.

It is an arithmetic number, because the mean of its divisors is an integer number (196399404).

Almost surely, 2^5161788608 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 5161788608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5499183312).

5161788608 is an abundant number, since it is smaller than the sum of its proper divisors (5836578016).

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

5161788608 is a wasteful number, since it uses less digits than its factorization.

5161788608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66921 (or 66911 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 50.

The square root of 5161788608 is about 71845.5886467638. The cubic root of 5161788608 is about 1728.2241578778.

The spelling of 5161788608 in words is "five billion, one hundred sixty-one million, seven hundred eighty-eight thousand, six hundred eight".