16555472188 has 12 divisors (see below), whose sum is σ = 29145562992. Its totient is φ = 8228168480.

The previous prime is 16555472137. The next prime is 16555472189. The reversal of 16555472188 is 88127455561.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16555472189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12391153 + ... + 12392488.

It is an arithmetic number, because the mean of its divisors is an integer number (2428796916).

Almost surely, 2^16555472188 is an apocalyptic number.

It is an amenable number.

16555472188 is a deficient number, since it is larger than the sum of its proper divisors (12590090804).

16555472188 is a wasteful number, since it uses less digits than its factorization.

16555472188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24783812 (or 24783810 counting only the distinct ones).

The product of its digits is 2688000, while the sum is 52.

The spelling of 16555472188 in words is "sixteen billion, five hundred fifty-five million, four hundred seventy-two thousand, one hundred eighty-eight".