168906143299 has 2 divisors, whose sum is σ = 168906143300. Its totient is φ = 168906143298.

The previous prime is 168906143293. The next prime is 168906143317. The reversal of 168906143299 is 992341609861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168906143299 - 2¹⁹ = 168905619011 is a prime.

It is not a weakly prime, because it can be changed into another prime (168906143293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84453071649 + 84453071650.

It is an arithmetic number, because the mean of its divisors is an integer number (84453071650).

Almost surely, 2^168906143299 is an apocalyptic number.

168906143299 is a deficient number, since it is larger than the sum of its proper divisors (1).

168906143299 is an equidigital number, since it uses as much as digits as its factorization.

168906143299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5038848, while the sum is 58.

The spelling of 168906143299 in words is "one hundred sixty-eight billion, nine hundred six million, one hundred forty-three thousand, two hundred ninety-nine".