168466368229 has 2 divisors, whose sum is σ = 168466368230. Its totient is φ = 168466368228.

The previous prime is 168466368223. The next prime is 168466368253. The reversal of 168466368229 is 922863664861.

168466368229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165569237604 + 2897130625 = 406902^2 + 53825^2 .

It is a cyclic number.

It is not a de Polignac number, because 168466368229 - 2¹³ = 168466360037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168466368223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84233184114 + 84233184115.

It is an arithmetic number, because the mean of its divisors is an integer number (84233184115).

Almost surely, 2^168466368229 is an apocalyptic number.

It is an amenable number.

168466368229 is a deficient number, since it is larger than the sum of its proper divisors (1).

168466368229 is an equidigital number, since it uses as much as digits as its factorization.

168466368229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35831808, while the sum is 61.

The spelling of 168466368229 in words is "one hundred sixty-eight billion, four hundred sixty-six million, three hundred sixty-eight thousand, two hundred twenty-nine".