5151666168 has 48 divisors (see below), whose sum is σ = 15220834200. Its totient is φ = 1561110720.

The previous prime is 5151666151. The next prime is 5151666187. The reversal of 5151666168 is 8616661515.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3251523 + ... + 3253106.

Almost surely, 2^5151666168 is an apocalyptic number.

It is an amenable number.

5151666168 is an abundant number, since it is smaller than the sum of its proper divisors (10069168032).

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

5151666168 is a wasteful number, since it uses less digits than its factorization.

5151666168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6504652 (or 6504645 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 5151666168 is about 71775.1082757804. The cubic root of 5151666168 is about 1727.0937168306.

The spelling of 5151666168 in words is "five billion, one hundred fifty-one million, six hundred sixty-six thousand, one hundred sixty-eight".