5156818080 has 192 divisors, whose sum is σ = 17273450880. Its totient is φ = 1288699904.

The previous prime is 5156818049. The next prime is 5156818087. The reversal of 5156818080 is 808186515.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5156818087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2095891 + ... + 2098349.

It is an arithmetic number, because the mean of its divisors is an integer number (89965890).

Almost surely, 2^5156818080 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 5156818080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8636725440).

5156818080 is an abundant number, since it is smaller than the sum of its proper divisors (12116632800).

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

5156818080 is a wasteful number, since it uses less digits than its factorization.

5156818080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751 (or 2743 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 42.

The square root of 5156818080 is about 71810.9885741730. The cubic root of 5156818080 is about 1727.6692503968.

The spelling of 5156818080 in words is "five billion, one hundred fifty-six million, eight hundred eighteen thousand, eighty".