168392071 has 2 divisors, whose sum is σ = 168392072. Its totient is φ = 168392070.

The previous prime is 168392057. The next prime is 168392099. The reversal of 168392071 is 170293861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168392071 - 2¹¹ = 168390023 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 168392071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168392671) 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, 84196035 + 84196036.

It is an arithmetic number, because the mean of its divisors is an integer number (84196036).

Almost surely, 2^168392071 is an apocalyptic number.

168392071 is a deficient number, since it is larger than the sum of its proper divisors (1).

168392071 is an equidigital number, since it uses as much as digits as its factorization.

168392071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 168392071 is about 12976.5970500744. The cubic root of 168392071 is about 552.2137455064.

The spelling of 168392071 in words is "one hundred sixty-eight million, three hundred ninety-two thousand, seventy-one".