168088009 has 2 divisors, whose sum is σ = 168088010. Its totient is φ = 168088008.

The previous prime is 168087977. The next prime is 168088033. The reversal of 168088009 is 900880861.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104040000 + 64048009 = 10200^2 + 8003^2 .

It is a cyclic number.

It is not a de Polignac number, because 168088009 - 2⁵ = 168087977 is a prime.

It is not a weakly prime, because it can be changed into another prime (168088409) 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, 84044004 + 84044005.

It is an arithmetic number, because the mean of its divisors is an integer number (84044005).

Almost surely, 2^168088009 is an apocalyptic number.

It is an amenable number.

168088009 is a deficient number, since it is larger than the sum of its proper divisors (1).

168088009 is an equidigital number, since it uses as much as digits as its factorization.

168088009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 168088009 is about 12964.8759731823. The cubic root of 168088009 is about 551.8811716931.

The spelling of 168088009 in words is "one hundred sixty-eight million, eighty-eight thousand, nine".