168499859263 has 2 divisors, whose sum is σ = 168499859264. Its totient is φ = 168499859262.

The previous prime is 168499859249. The next prime is 168499859303. The reversal of 168499859263 is 362958994861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 168499859263 - 2¹³ = 168499851071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168499859192 and 168499859201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168499859063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84249929631 + 84249929632.

It is an arithmetic number, because the mean of its divisors is an integer number (84249929632).

Almost surely, 2^168499859263 is an apocalyptic number.

168499859263 is a deficient number, since it is larger than the sum of its proper divisors (1).

168499859263 is an equidigital number, since it uses as much as digits as its factorization.

168499859263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201553920, while the sum is 70.

The spelling of 168499859263 in words is "one hundred sixty-eight billion, four hundred ninety-nine million, eight hundred fifty-nine thousand, two hundred sixty-three".