16854189 has 16 divisors (see below), whose sum is σ = 24605184. Its totient is φ = 10177200.

The previous prime is 16854161. The next prime is 16854209. The reversal of 16854189 is 98145861.

It is not a de Polignac number, because 16854189 - 2⁸ = 16853933 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16854189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16854109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10152 + ... + 11694.

It is an arithmetic number, because the mean of its divisors is an integer number (1537824).

Almost surely, 2^16854189 is an apocalyptic number.

It is an amenable number.

16854189 is a deficient number, since it is larger than the sum of its proper divisors (7750995).

16854189 is a wasteful number, since it uses less digits than its factorization.

16854189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888.

The product of its digits is 69120, while the sum is 42.

The square root of 16854189 is about 4105.3853655899. The cubic root of 16854189 is about 256.3909077102.

The spelling of 16854189 in words is "sixteen million, eight hundred fifty-four thousand, one hundred eighty-nine".