16551130168 has 16 divisors (see below), whose sum is σ = 31040750160. Its totient is φ = 8273596800.

The previous prime is 16551130157. The next prime is 16551130187. The reversal of 16551130168 is 86103115561.

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, 209988 + ... + 277843.

It is an arithmetic number, because the mean of its divisors is an integer number (1940046885).

Almost surely, 2^16551130168 is an apocalyptic number.

It is an amenable number.

16551130168 is a deficient number, since it is larger than the sum of its proper divisors (14489619992).

16551130168 is a wasteful number, since it uses less digits than its factorization.

16551130168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492078 (or 492074 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 16551130168 in words is "sixteen billion, five hundred fifty-one million, one hundred thirty thousand, one hundred sixty-eight".