168392099 has 2 divisors, whose sum is σ = 168392100. Its totient is φ = 168392098.

The previous prime is 168392071. The next prime is 168392101. The reversal of 168392099 is 990293861.

It is a strong prime.

It is an emirp because it is prime and its reverse (990293861) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168392099 is a prime.

It is a Sophie Germain prime.

Together with 168392101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (168392999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84196049 + 84196050.

It is an arithmetic number, because the mean of its divisors is an integer number (84196050).

Almost surely, 2^168392099 is an apocalyptic number.

168392099 is a deficient number, since it is larger than the sum of its proper divisors (1).

168392099 is an equidigital number, since it uses as much as digits as its factorization.

168392099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 168392099 is about 12976.5981289396. The cubic root of 168392099 is about 552.2137761135.

The spelling of 168392099 in words is "one hundred sixty-eight million, three hundred ninety-two thousand, ninety-nine".