168585812 has 12 divisors (see below), whose sum is σ = 304542336. Its totient is φ = 81573720.

The previous prime is 168585799. The next prime is 168585817. The reversal of 168585812 is 218585861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168585817) 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 in 3 ways as a sum of consecutive naturals, for example, 679658 + ... + 679905.

It is an arithmetic number, because the mean of its divisors is an integer number (25378528).

Almost surely, 2^168585812 is an apocalyptic number.

It is an amenable number.

168585812 is a deficient number, since it is larger than the sum of its proper divisors (135956524).

168585812 is a wasteful number, since it uses less digits than its factorization.

168585812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359598 (or 1359596 counting only the distinct ones).

The product of its digits is 153600, while the sum is 44.

The square root of 168585812 is about 12984.0599197632. The cubic root of 168585812 is about 552.4254447831.

The spelling of 168585812 in words is "one hundred sixty-eight million, five hundred eighty-five thousand, eight hundred twelve".