5161841808 has 80 divisors (see below), whose sum is σ = 13592838336. Its totient is φ = 1687633920.

The previous prime is 5161841779. The next prime is 5161841813. The reversal of 5161841808 is 8081481615.

It is a super-2 number, since 2×5161841808² = 53289221701633417728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5161841808.

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, 521223 + ... + 531033.

Almost surely, 2^5161841808 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 5161841808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6796419168).

5161841808 is an abundant number, since it is smaller than the sum of its proper divisors (8430996528).

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

5161841808 is a wasteful number, since it uses less digits than its factorization.

5161841808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10032 (or 10026 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 42.

The square root of 5161841808 is about 71845.9588842685. The cubic root of 5161841808 is about 1728.2300951743.

The spelling of 5161841808 in words is "five billion, one hundred sixty-one million, eight hundred forty-one thousand, eight hundred eight".