5166317808 has 80 divisors (see below), whose sum is σ = 14967970560. Its totient is φ = 1705996224.

The previous prime is 5166317801. The next prime is 5166317809. The reversal of 5166317808 is 8087136615.

5166317808 is a `hidden beast` number, since 5 + 1 + 6 + 631 + 7 + 8 + 0 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5166317801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9660 + ... + 102107.

It is an arithmetic number, because the mean of its divisors is an integer number (187099632).

Almost surely, 2^5166317808 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 5166317808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7483985280).

5166317808 is an abundant number, since it is smaller than the sum of its proper divisors (9801652752).

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

5166317808 is a wasteful number, since it uses less digits than its factorization.

5166317808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111891 (or 111879 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 5166317808 is about 71877.1021118687. The cubic root of 5166317808 is about 1728.7294855956.

The spelling of 5166317808 in words is "five billion, one hundred sixty-six million, three hundred seventeen thousand, eight hundred eight".