168913 has 2 divisors, whose sum is σ = 168914. Its totient is φ = 168912.

The previous prime is 168901. The next prime is 168937. The reversal of 168913 is 319861.

It is a happy number.

168913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135424 + 33489 = 368^2 + 183^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168913 is a prime.

It is not a weakly prime, because it can be changed into another prime (168943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84456 + 84457.

It is an arithmetic number, because the mean of its divisors is an integer number (84457).

2¹⁶⁸⁹¹³ is an apocalyptic number.

It is an amenable number.

168913 is a deficient number, since it is larger than the sum of its proper divisors (1).

168913 is an equidigital number, since it uses as much as digits as its factorization.

168913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 28.

The square root of 168913 is about 410.9902675247. The cubic root of 168913 is about 55.2782592616.

It can be divided in two parts, 168 and 913, that added together give a triangular number (1081 = T₄₆).

The spelling of 168913 in words is "one hundred sixty-eight thousand, nine hundred thirteen".