168085573 has 2 divisors, whose sum is σ = 168085574. Its totient is φ = 168085572.

The previous prime is 168085531. The next prime is 168085601. The reversal of 168085573 is 375580861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115928289 + 52157284 = 10767^2 + 7222^2 .

It is a cyclic number.

It is not a de Polignac number, because 168085573 - 2²⁵ = 134531141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168085373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84042786 + 84042787.

It is an arithmetic number, because the mean of its divisors is an integer number (84042787).

Almost surely, 2^168085573 is an apocalyptic number.

It is an amenable number.

168085573 is a deficient number, since it is larger than the sum of its proper divisors (1).

168085573 is an equidigital number, since it uses as much as digits as its factorization.

168085573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 168085573 is about 12964.7820267060. The cubic root of 168085573 is about 551.8785056511.

The spelling of 168085573 in words is "one hundred sixty-eight million, eighty-five thousand, five hundred seventy-three".