168899 has 2 divisors, whose sum is σ = 168900. Its totient is φ = 168898.

The previous prime is 168893. The next prime is 168901. The reversal of 168899 is 998861.

168899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (998861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 168899 - 2⁸ = 168643 is a prime.

Together with 168901, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (168893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84449 + 84450.

It is an arithmetic number, because the mean of its divisors is an integer number (84450).

2¹⁶⁸⁸⁹⁹ is an apocalyptic number.

168899 is a deficient number, since it is larger than the sum of its proper divisors (1).

168899 is an equidigital number, since it uses as much as digits as its factorization.

168899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 41.

The square root of 168899 is about 410.9732351383. The cubic root of 168899 is about 55.2767320119.

The spelling of 168899 in words is "one hundred sixty-eight thousand, eight hundred ninety-nine".