16553725188 has 96 divisors (see below), whose sum is σ = 51860659200. Its totient is φ = 3968922240.

The previous prime is 16553725171. The next prime is 16553725241. The reversal of 16553725188 is 88152735561.

It is a self number, because there is not a number n which added to its sum of digits gives 16553725188.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 677038 + ... + 701061.

It is an arithmetic number, because the mean of its divisors is an integer number (540215200).

Almost surely, 2^16553725188 is an apocalyptic number.

It is an amenable number.

16553725188 is an abundant number, since it is smaller than the sum of its proper divisors (35306934012).

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

16553725188 is a wasteful number, since it uses less digits than its factorization.

16553725188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378137 (or 1378135 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 51.

The spelling of 16553725188 in words is "sixteen billion, five hundred fifty-three million, seven hundred twenty-five thousand, one hundred eighty-eight".