168002071 has 2 divisors, whose sum is σ = 168002072. Its totient is φ = 168002070.

The previous prime is 168002069. The next prime is 168002083. The reversal of 168002071 is 170200861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168002071 - 2¹ = 168002069 is a prime.

Together with 168002069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168006071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84001035 + 84001036.

It is an arithmetic number, because the mean of its divisors is an integer number (84001036).

Almost surely, 2^168002071 is an apocalyptic number.

168002071 is a deficient number, since it is larger than the sum of its proper divisors (1).

168002071 is an equidigital number, since it uses as much as digits as its factorization.

168002071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 168002071 is about 12961.5612871290. The cubic root of 168002071 is about 551.7871026209.

The spelling of 168002071 in words is "one hundred sixty-eight million, two thousand, seventy-one".