16889867 has 2 divisors, whose sum is σ = 16889868. Its totient is φ = 16889866.

The previous prime is 16889849. The next prime is 16889869. The reversal of 16889867 is 76898861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16889867 - 2¹⁶ = 16824331 is a prime.

Together with 16889869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16889869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8444933 + 8444934.

It is an arithmetic number, because the mean of its divisors is an integer number (8444934).

Almost surely, 2^16889867 is an apocalyptic number.

16889867 is a deficient number, since it is larger than the sum of its proper divisors (1).

16889867 is an equidigital number, since it uses as much as digits as its factorization.

16889867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 53.

The square root of 16889867 is about 4109.7283365206. The cubic root of 16889867 is about 256.5716949655.

The spelling of 16889867 in words is "sixteen million, eight hundred eighty-nine thousand, eight hundred sixty-seven".