168585849 has 6 divisors (see below), whose sum is σ = 243512906. Its totient is φ = 112390560.

The previous prime is 168585817. The next prime is 168585931. The reversal of 168585849 is 948585861.

It is a happy number.

168585849 is a `hidden beast` number, since 1 + 6 + 8 + 58 + 584 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 94711824 + 73874025 = 9732^2 + 8595^2 .

It is not a de Polignac number, because 168585849 - 2⁵ = 168585817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 168585795 and 168585804.

It is not an unprimeable number, because it can be changed into a prime (168585049) 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 in 5 ways as a sum of consecutive naturals, for example, 9365872 + ... + 9365889.

Almost surely, 2^168585849 is an apocalyptic number.

It is an amenable number.

168585849 is a deficient number, since it is larger than the sum of its proper divisors (74927057).

168585849 is a wasteful number, since it uses less digits than its factorization.

168585849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18731767 (or 18731764 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The square root of 168585849 is about 12984.0613445871. The cubic root of 168585849 is about 552.4254851972.

The spelling of 168585849 in words is "one hundred sixty-eight million, five hundred eighty-five thousand, eight hundred forty-nine".