168193 has 2 divisors, whose sum is σ = 168194. Its totient is φ = 168192.

The previous prime is 168151. The next prime is 168197. The reversal of 168193 is 391861.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121104 + 47089 = 348^2 + 217^2 .

It is an emirp because it is prime and its reverse (391861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 168193 - 2¹³ = 160001 is a prime.

It is not a weakly prime, because it can be changed into another prime (168197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84096 + 84097.

It is an arithmetic number, because the mean of its divisors is an integer number (84097).

2¹⁶⁸¹⁹³ is an apocalyptic number.

It is an amenable number.

168193 is a deficient number, since it is larger than the sum of its proper divisors (1).

168193 is an equidigital number, since it uses as much as digits as its factorization.

168193 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 168193 is about 410.1133989520. The cubic root of 168193 is about 55.1996052972.

It can be divided in two parts, 168 and 193, that added together give a square (361 = 19²).

The spelling of 168193 in words is "one hundred sixty-eight thousand, one hundred ninety-three".