168353089 has 2 divisors, whose sum is σ = 168353090. Its totient is φ = 168353088.

The previous prime is 168353039. The next prime is 168353153. The reversal of 168353089 is 980353861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121881600 + 46471489 = 11040^2 + 6817^2 .

It is a cyclic number.

It is not a de Polignac number, because 168353089 - 2¹¹ = 168351041 is a prime.

It is not a weakly prime, because it can be changed into another prime (168353039) 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, 84176544 + 84176545.

It is an arithmetic number, because the mean of its divisors is an integer number (84176545).

Almost surely, 2^168353089 is an apocalyptic number.

It is an amenable number.

168353089 is a deficient number, since it is larger than the sum of its proper divisors (1).

168353089 is an equidigital number, since it uses as much as digits as its factorization.

168353089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 168353089 is about 12975.0949514830. The cubic root of 168353089 is about 552.1711305594.

The spelling of 168353089 in words is "one hundred sixty-eight million, three hundred fifty-three thousand, eighty-nine".