168344171 has 2 divisors, whose sum is σ = 168344172. Its totient is φ = 168344170.

The previous prime is 168344147. The next prime is 168344213. The reversal of 168344171 is 171443861.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168344171 - 2¹⁴ = 168327787 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (168344471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84172085 + 84172086.

It is an arithmetic number, because the mean of its divisors is an integer number (84172086).

Almost surely, 2^168344171 is an apocalyptic number.

168344171 is a deficient number, since it is larger than the sum of its proper divisors (1).

168344171 is an equidigital number, since it uses as much as digits as its factorization.

168344171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 35.

The square root of 168344171 is about 12974.7512885604. The cubic root of 168344171 is about 552.1613805174.

It can be divided in two parts, 1683 and 44171, that added together give a palindrome (45854).

The spelling of 168344171 in words is "one hundred sixty-eight million, three hundred forty-four thousand, one hundred seventy-one".