16189074 has 36 divisors (see below), whose sum is σ = 38560158. Its totient is φ = 4905120.

The previous prime is 16189051. The next prime is 16189081. The reversal of 16189074 is 47098161.

16189074 is digitally balanced in base 2 and base 4, because in such bases 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., 15944049 + 245025 = 3993^2 + 495^2 .

It is a super-2 number, since 2×16189074² = 524172233954952, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1539 + ... + 5894.

Almost surely, 2^16189074 is an apocalyptic number.

16189074 is an abundant number, since it is smaller than the sum of its proper divisors (22371084).

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

16189074 is a wasteful number, since it uses less digits than its factorization.

16189074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7463 (or 7449 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 16189074 is about 4023.5648373053. The cubic root of 16189074 is about 252.9729019496.

The spelling of 16189074 in words is "sixteen million, one hundred eighty-nine thousand, seventy-four".