168502131143 has 2 divisors, whose sum is σ = 168502131144. Its totient is φ = 168502131142.

The previous prime is 168502131137. The next prime is 168502131167. The reversal of 168502131143 is 341131205861.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168502131143 - 2⁶ = 168502131079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168502131113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84251065571 + 84251065572.

It is an arithmetic number, because the mean of its divisors is an integer number (84251065572).

Almost surely, 2^168502131143 is an apocalyptic number.

168502131143 is a deficient number, since it is larger than the sum of its proper divisors (1).

168502131143 is an equidigital number, since it uses as much as digits as its factorization.

168502131143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 168502131143 in words is "one hundred sixty-eight billion, five hundred two million, one hundred thirty-one thousand, one hundred forty-three".