16189028 has 6 divisors (see below), whose sum is σ = 28330806. Its totient is φ = 8094512.

The previous prime is 16189021. The next prime is 16189039. The reversal of 16189028 is 82098161.

16189028 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 only one way, i.e., 16176484 + 12544 = 4022^2 + 112^2 .

It is not an unprimeable number, because it can be changed into a prime (16189021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2023625 + ... + 2023632.

It is an arithmetic number, because the mean of its divisors is an integer number (4721801).

Almost surely, 2^16189028 is an apocalyptic number.

It is an amenable number.

16189028 is a deficient number, since it is larger than the sum of its proper divisors (12141778).

16189028 is a wasteful number, since it uses less digits than its factorization.

16189028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047261 (or 4047259 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 16189028 is about 4023.5591209773. The cubic root of 16189028 is about 252.9726623484.

The spelling of 16189028 in words is "sixteen million, one hundred eighty-nine thousand, twenty-eight".