168000193 has 2 divisors, whose sum is σ = 168000194. Its totient is φ = 168000192.

The previous prime is 168000181. The next prime is 168000241. The reversal of 168000193 is 391000861.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149621824 + 18378369 = 12232^2 + 4287^2 .

It is a cyclic number.

It is not a de Polignac number, because 168000193 - 2²⁵ = 134445761 is a prime.

It is not a weakly prime, because it can be changed into another prime (168000143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84000096 + 84000097.

It is an arithmetic number, because the mean of its divisors is an integer number (84000097).

Almost surely, 2^168000193 is an apocalyptic number.

It is an amenable number.

168000193 is a deficient number, since it is larger than the sum of its proper divisors (1).

168000193 is an equidigital number, since it uses as much as digits as its factorization.

168000193 is an evil number, because the sum of its binary digits is even.

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

The square root of 168000193 is about 12961.4888419502. The cubic root of 168000193 is about 551.7850465747.

The spelling of 168000193 in words is "one hundred sixty-eight million, one hundred ninety-three", and thus it is an aban number.