5168668872 has 16 divisors (see below), whose sum is σ = 12921672240. Its totient is φ = 1722889616.

The previous prime is 5168668867. The next prime is 5168668873. The reversal of 5168668872 is 2788668615.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5168668873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107680578 + ... + 107680625.

It is an arithmetic number, because the mean of its divisors is an integer number (807604515).

Almost surely, 2^5168668872 is an apocalyptic number.

It is an amenable number.

5168668872 is an abundant number, since it is smaller than the sum of its proper divisors (7753003368).

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

5168668872 is a wasteful number, since it uses less digits than its factorization.

5168668872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215361212 (or 215361208 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 57.

The square root of 5168668872 is about 71893.4550011334. The cubic root of 5168668872 is about 1728.9916798983.

The spelling of 5168668872 in words is "five billion, one hundred sixty-eight million, six hundred sixty-eight thousand, eight hundred seventy-two".