168946328207 has 2 divisors, whose sum is σ = 168946328208. Its totient is φ = 168946328206.

The previous prime is 168946328153. The next prime is 168946328227. The reversal of 168946328207 is 702823649861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168946328207 - 2²⁰ = 168945279631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168946328227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84473164103 + 84473164104.

It is an arithmetic number, because the mean of its divisors is an integer number (84473164104).

Almost surely, 2^168946328207 is an apocalyptic number.

168946328207 is a deficient number, since it is larger than the sum of its proper divisors (1).

168946328207 is an equidigital number, since it uses as much as digits as its factorization.

168946328207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 168946328207 in words is "one hundred sixty-eight billion, nine hundred forty-six million, three hundred twenty-eight thousand, two hundred seven".