5281688172 has 96 divisors (see below), whose sum is σ = 13238874880. Its totient is φ = 1633893120.

The previous prime is 5281688149. The next prime is 5281688221. The reversal of 5281688172 is 2718861825.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4269138 + ... + 4270374.

Almost surely, 2^5281688172 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 5281688172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6619437440).

5281688172 is an abundant number, since it is smaller than the sum of its proper divisors (7957186708).

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

5281688172 is a wasteful number, since it uses less digits than its factorization.

5281688172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631 (or 1629 counting only the distinct ones).

The product of its digits is 430080, while the sum is 48.

The square root of 5281688172 is about 72675.2239212237. The cubic root of 5281688172 is about 1741.5031020144.

The spelling of 5281688172 in words is "five billion, two hundred eighty-one million, six hundred eighty-eight thousand, one hundred seventy-two".