5161847728 has 10 divisors (see below), whose sum is σ = 10001080004. Its totient is φ = 2580923856.

The previous prime is 5161847723. The next prime is 5161847759. The reversal of 5161847728 is 8277481615.

It is not an unprimeable number, because it can be changed into a prime (5161847723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161307726 + ... + 161307757.

Almost surely, 2^5161847728 is an apocalyptic number.

It is an amenable number.

5161847728 is a deficient number, since it is larger than the sum of its proper divisors (4839232276).

5161847728 is a wasteful number, since it uses less digits than its factorization.

5161847728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322615491 (or 322615485 counting only the distinct ones).

The product of its digits is 752640, while the sum is 49.

The square root of 5161847728 is about 71846.0000835120. Note that the first 4 decimals coincide. The cubic root of 5161847728 is about 1728.2307558635.

The spelling of 5161847728 in words is "five billion, one hundred sixty-one million, eight hundred forty-seven thousand, seven hundred twenty-eight".