16089 has 8 divisors (see below), whose sum is σ = 22272. Its totient is φ = 10320.

The previous prime is 16087. The next prime is 16091. The reversal of 16089 is 98061.

16089 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16087) and next prime (16091).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16089 - 2¹ = 16087 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 16089.

It is not an unprimeable number, because it can be changed into a prime (16087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7 + ... + 179.

It is an arithmetic number, because the mean of its divisors is an integer number (2784).

2¹⁶⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

16089 is a deficient number, since it is larger than the sum of its proper divisors (6183).

16089 is a wasteful number, since it uses less digits than its factorization.

16089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 16089 is about 126.8424219258. The cubic root of 16089 is about 25.2450567064.

The spelling of 16089 in words is "sixteen thousand, eighty-nine".