5151888668 has 12 divisors (see below), whose sum is σ = 9075513552. Its totient is φ = 2558884800.

The previous prime is 5151888629. The next prime is 5151888697. The reversal of 5151888668 is 8668881515.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4264205 + ... + 4265412.

It is an arithmetic number, because the mean of its divisors is an integer number (756292796).

Almost surely, 2^5151888668 is an apocalyptic number.

It is an amenable number.

5151888668 is a deficient number, since it is larger than the sum of its proper divisors (3923624884).

5151888668 is a wasteful number, since it uses less digits than its factorization.

5151888668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8529772 (or 8529770 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 56.

The square root of 5151888668 is about 71776.6582392911. The cubic root of 5151888668 is about 1727.1185808136.

The spelling of 5151888668 in words is "five billion, one hundred fifty-one million, eight hundred eighty-eight thousand, six hundred sixty-eight".