168008873 has 2 divisors, whose sum is σ = 168008874. Its totient is φ = 168008872.

The previous prime is 168008833. The next prime is 168008881. The reversal of 168008873 is 378800861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108826624 + 59182249 = 10432^2 + 7693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168008873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 168008873.

It is not a weakly prime, because it can be changed into another prime (168008833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84004436 + 84004437.

It is an arithmetic number, because the mean of its divisors is an integer number (84004437).

Almost surely, 2^168008873 is an apocalyptic number.

It is an amenable number.

168008873 is a deficient number, since it is larger than the sum of its proper divisors (1).

168008873 is an equidigital number, since it uses as much as digits as its factorization.

168008873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 168008873 is about 12961.8236757024. The cubic root of 168008873 is about 551.7945493648.

The spelling of 168008873 in words is "one hundred sixty-eight million, eight thousand, eight hundred seventy-three".