168197 has 2 divisors, whose sum is σ = 168198. Its totient is φ = 168196.

The previous prime is 168193. The next prime is 168211. The reversal of 168197 is 791861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160801 + 7396 = 401^2 + 86^2 .

It is a cyclic number.

It is not a de Polignac number, because 168197 - 2² = 168193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84098 + 84099.

It is an arithmetic number, because the mean of its divisors is an integer number (84099).

2¹⁶⁸¹⁹⁷ is an apocalyptic number.

It is an amenable number.

168197 is a deficient number, since it is larger than the sum of its proper divisors (1).

168197 is an equidigital number, since it uses as much as digits as its factorization.

168197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 32.

The square root of 168197 is about 410.1182756230. The cubic root of 168197 is about 55.2000428831.

The spelling of 168197 in words is "one hundred sixty-eight thousand, one hundred ninety-seven".