5161847328 has 144 divisors (see below), whose sum is σ = 16276583232. Its totient is φ = 1538496000.

The previous prime is 5161847321. The next prime is 5161847351. The reversal of 5161847328 is 8237481615.

5161847328 is a `hidden beast` number, since 5 + 1 + 618 + 4 + 7 + 3 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (5161847321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179893 + ... + 206603.

It is an arithmetic number, because the mean of its divisors is an integer number (113031828).

Almost surely, 2^5161847328 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 5161847328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8138291616).

5161847328 is an abundant number, since it is smaller than the sum of its proper divisors (11114735904).

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

5161847328 is a wasteful number, since it uses less digits than its factorization.

5161847328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26799 (or 26788 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 5161847328 is about 71845.9972997800. The cubic root of 5161847328 is about 1728.2307112223.

The spelling of 5161847328 in words is "five billion, one hundred sixty-one million, eight hundred forty-seven thousand, three hundred twenty-eight".