16187 has 2 divisors, whose sum is σ = 16188. Its totient is φ = 16186.

The previous prime is 16183. The next prime is 16189. The reversal of 16187 is 78161.

16187 is nontrivially palindromic in base 8.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16187 - 2² = 16183 is a prime.

Together with 16189, it forms a pair of twin primes.

It is a Chen prime.

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

It is not a weakly prime, because it can be changed into another prime (16183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8093 + 8094.

It is an arithmetic number, because the mean of its divisors is an integer number (8094).

2¹⁶¹⁸⁷ is an apocalyptic number.

16187 is a deficient number, since it is larger than the sum of its proper divisors (1).

16187 is an equidigital number, since it uses as much as digits as its factorization.

16187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 23.

The square root of 16187 is about 127.2281415411. The cubic root of 16187 is about 25.2962098610.

Subtracting from 16187 its product of digits (336), we obtain a palindrome (15851).

It can be divided in two parts, 16 and 187, that multiplied together give a palindrome (2992).

The spelling of 16187 in words is "sixteen thousand, one hundred eighty-seven".