16228189874 has 16 divisors (see below), whose sum is σ = 26390712600. Its totient is φ = 7439664000.

The previous prime is 16228189849. The next prime is 16228189877. The reversal of 16228189874 is 47898182261.

16228189874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3310276225 + 12917913649 = 57535^2 + 113657^2 .

It is a super-2 number, since 2×16228189874² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16228189877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2090627 + ... + 2098374.

Almost surely, 2^16228189874 is an apocalyptic number.

16228189874 is a deficient number, since it is larger than the sum of its proper divisors (10162522726).

16228189874 is a wasteful number, since it uses less digits than its factorization.

16228189874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189165.

The product of its digits is 3096576, while the sum is 56.

The spelling of 16228189874 in words is "sixteen billion, two hundred twenty-eight million, one hundred eighty-nine thousand, eight hundred seventy-four".