16885 has 8 divisors (see below), whose sum is σ = 22176. Its totient is φ = 12240.

The previous prime is 16883. The next prime is 16889. The reversal of 16885 is 58861.

It is a happy number.

16885 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

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

It is not a de Polignac number, because 16885 - 2¹ = 16883 is a prime.

It is a plaindrome in base 13.

It is a nialpdrome in base 12 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16883) 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, 99 + ... + 208.

It is an arithmetic number, because the mean of its divisors is an integer number (2772).

2¹⁶⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

16885 is a deficient number, since it is larger than the sum of its proper divisors (5291).

16885 is a wasteful number, since it uses less digits than its factorization.

16885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323.

The product of its digits is 1920, while the sum is 28.

The square root of 16885 is about 129.9422948851. The cubic root of 16885 is about 25.6547047951.

It can be divided in two parts, 168 and 85, that added together give a triangular number (253 = T₂₂).

The spelling of 16885 in words is "sixteen thousand, eight hundred eighty-five".