16551086168 has 32 divisors (see below), whose sum is σ = 32865374160. Its totient is φ = 7787182080.

The previous prime is 16551086147. The next prime is 16551086173. The reversal of 16551086168 is 86168015561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937955 + ... + 955437.

Almost surely, 2^16551086168 is an apocalyptic number.

It is an amenable number.

16551086168 is a deficient number, since it is larger than the sum of its proper divisors (16314287992).

16551086168 is a wasteful number, since it uses less digits than its factorization.

16551086168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24467 (or 24463 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 47.

The spelling of 16551086168 in words is "sixteen billion, five hundred fifty-one million, eighty-six thousand, one hundred sixty-eight".