168851 has 2 divisors, whose sum is σ = 168852. Its totient is φ = 168850.

The previous prime is 168803. The next prime is 168863. The reversal of 168851 is 158861.

168851 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (168151) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84425 + 84426.

It is an arithmetic number, because the mean of its divisors is an integer number (84426).

2¹⁶⁸⁸⁵¹ is an apocalyptic number.

168851 is a deficient number, since it is larger than the sum of its proper divisors (1).

168851 is an equidigital number, since it uses as much as digits as its factorization.

168851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 29.

The square root of 168851 is about 410.9148330250. The cubic root of 168851 is about 55.2714950862.

The spelling of 168851 in words is "one hundred sixty-eight thousand, eight hundred fifty-one".