168194264027 has 2 divisors, whose sum is σ = 168194264028. Its totient is φ = 168194264026.

The previous prime is 168194264009. The next prime is 168194264041. The reversal of 168194264027 is 720462491861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168194264027 - 2²⁰ = 168193215451 is a prime.

It is not a weakly prime, because it can be changed into another prime (168194264827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84097132013 + 84097132014.

It is an arithmetic number, because the mean of its divisors is an integer number (84097132014).

Almost surely, 2^168194264027 is an apocalyptic number.

168194264027 is a deficient number, since it is larger than the sum of its proper divisors (1).

168194264027 is an equidigital number, since it uses as much as digits as its factorization.

168194264027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 168194264027 in words is "one hundred sixty-eight billion, one hundred ninety-four million, two hundred sixty-four thousand, twenty-seven".