16988190224 has 20 divisors (see below), whose sum is σ = 32920461036. Its totient is φ = 8492587392.

The previous prime is 16988190199. The next prime is 16988190229. The reversal of 16988190224 is 42209188961.

It can be written as a sum of positive squares in 2 ways, for example, as 15153610000 + 1834580224 = 123100^2 + 42832^2 .

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (16988190229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1682 + ... + 184334.

Almost surely, 2^16988190224 is an apocalyptic number.

It is an amenable number.

16988190224 is a deficient number, since it is larger than the sum of its proper divisors (15932270812).

16988190224 is a wasteful number, since it uses less digits than its factorization.

16988190224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188474 (or 188468 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 50.

The spelling of 16988190224 in words is "sixteen billion, nine hundred eighty-eight million, one hundred ninety thousand, two hundred twenty-four".