5168218872 has 32 divisors (see below), whose sum is σ = 12937571280. Its totient is φ = 1720469760.

The previous prime is 5168218871. The next prime is 5168218903. The reversal of 5168218872 is 2788128615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5168218871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123223 + ... + 159750.

Almost surely, 2^5168218872 is an apocalyptic number.

It is an amenable number.

5168218872 is an abundant number, since it is smaller than the sum of its proper divisors (7769352408).

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

5168218872 is a wasteful number, since it uses less digits than its factorization.

5168218872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283743 (or 283739 counting only the distinct ones).

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

The square root of 5168218872 is about 71890.3253018096. The cubic root of 5168218872 is about 1728.9415013542.

The spelling of 5168218872 in words is "five billion, one hundred sixty-eight million, two hundred eighteen thousand, eight hundred seventy-two".