5081976816 has 160 divisors (see below), whose sum is σ = 16303718400. Its totient is φ = 1331147520.

The previous prime is 5081976793. The next prime is 5081976829. The reversal of 5081976816 is 6186791805.

It is a super-2 number, since 2×5081976816² = 51652976716722995712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185065 + ... + 210743.

It is an arithmetic number, because the mean of its divisors is an integer number (101898240).

Almost surely, 2^5081976816 is an apocalyptic number.

5081976816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5081976816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8151859200).

5081976816 is an abundant number, since it is smaller than the sum of its proper divisors (11221741584).

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

5081976816 is a wasteful number, since it uses less digits than its factorization.

5081976816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25747 (or 25741 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 51.

The square root of 5081976816 is about 71287.9850746253. The cubic root of 5081976816 is about 1719.2705596312.

The spelling of 5081976816 in words is "five billion, eighty-one million, nine hundred seventy-six thousand, eight hundred sixteen".