5156809722 has 96 divisors (see below), whose sum is σ = 11939728320. Its totient is φ = 1603929600.

The previous prime is 5156809711. The next prime is 5156809751. The reversal of 5156809722 is 2279086515.

5156809722 is a `hidden beast` number, since 515 + 68 + 0 + 9 + 72 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11640433 + ... + 11640875.

It is an arithmetic number, because the mean of its divisors is an integer number (124372170).

Almost surely, 2^5156809722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5156809722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5969864160).

5156809722 is an abundant number, since it is smaller than the sum of its proper divisors (6782918598).

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

5156809722 is a wasteful number, since it uses less digits than its factorization.

5156809722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 905 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 5156809722 is about 71810.9303797131. The cubic root of 5156809722 is about 1727.6683170133.

The spelling of 5156809722 in words is "five billion, one hundred fifty-six million, eight hundred nine thousand, seven hundred twenty-two".