168158709343 has 2 divisors, whose sum is σ = 168158709344. Its totient is φ = 168158709342.

The previous prime is 168158709289. The next prime is 168158709427. The reversal of 168158709343 is 343907851861.

168158709343 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168158709343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168158709743) 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, 84079354671 + 84079354672.

It is an arithmetic number, because the mean of its divisors is an integer number (84079354672).

Almost surely, 2^168158709343 is an apocalyptic number.

168158709343 is a deficient number, since it is larger than the sum of its proper divisors (1).

168158709343 is an equidigital number, since it uses as much as digits as its factorization.

168158709343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 168158709343 in words is "one hundred sixty-eight billion, one hundred fifty-eight million, seven hundred nine thousand, three hundred forty-three".