168122671 has 2 divisors, whose sum is σ = 168122672. Its totient is φ = 168122670.

The previous prime is 168122623. The next prime is 168122711. The reversal of 168122671 is 176221861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168122671 - 2⁷ = 168122543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168122371) 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, 84061335 + 84061336.

It is an arithmetic number, because the mean of its divisors is an integer number (84061336).

Almost surely, 2^168122671 is an apocalyptic number.

168122671 is a deficient number, since it is larger than the sum of its proper divisors (1).

168122671 is an equidigital number, since it uses as much as digits as its factorization.

168122671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 34.

The square root of 168122671 is about 12966.2126698585. The cubic root of 168122671 is about 551.9191041836.

The spelling of 168122671 in words is "one hundred sixty-eight million, one hundred twenty-two thousand, six hundred seventy-one".