168325193 has 4 divisors (see below), whose sum is σ = 174129540. Its totient is φ = 162520848.

The previous prime is 168325163. The next prime is 168325207. The reversal of 168325193 is 391523861.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51079609 + 117245584 = 7147^2 + 10828^2 .

It is a cyclic number.

It is not a de Polignac number, because 168325193 - 2¹⁴ = 168308809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (168325163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2902130 + ... + 2902187.

It is an arithmetic number, because the mean of its divisors is an integer number (43532385).

Almost surely, 2^168325193 is an apocalyptic number.

It is an amenable number.

168325193 is a deficient number, since it is larger than the sum of its proper divisors (5804347).

168325193 is an equidigital number, since it uses as much as digits as its factorization.

168325193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5804346.

The product of its digits is 38880, while the sum is 38.

The square root of 168325193 is about 12974.0199244490. The cubic root of 168325193 is about 552.1406307394.

The spelling of 168325193 in words is "one hundred sixty-eight million, three hundred twenty-five thousand, one hundred ninety-three".