168100159 has 2 divisors, whose sum is σ = 168100160. Its totient is φ = 168100158.

The previous prime is 168100147. The next prime is 168100217. The reversal of 168100159 is 951001861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168100159 - 2⁹ = 168099647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 168100159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168100109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84050079 + 84050080.

It is an arithmetic number, because the mean of its divisors is an integer number (84050080).

Almost surely, 2^168100159 is an apocalyptic number.

168100159 is a deficient number, since it is larger than the sum of its proper divisors (1).

168100159 is an equidigital number, since it uses as much as digits as its factorization.

168100159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 168100159 is about 12965.3445384224. The cubic root of 168100159 is about 551.8944686850.

The spelling of 168100159 in words is "one hundred sixty-eight million, one hundred thousand, one hundred fifty-nine".