168441685 has 24 divisors (see below), whose sum is σ = 210258720. Its totient is φ = 129509952.

The previous prime is 168441629. The next prime is 168441701. The reversal of 168441685 is 586144861.

It is not a de Polignac number, because 168441685 - 2¹⁵ = 168408917 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 940926 + ... + 941104.

It is an arithmetic number, because the mean of its divisors is an integer number (8760780).

Almost surely, 2^168441685 is an apocalyptic number.

It is an amenable number.

168441685 is a deficient number, since it is larger than the sum of its proper divisors (41817035).

168441685 is an equidigital number, since it uses as much as digits as its factorization.

168441685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 304 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The square root of 168441685 is about 12978.5085814973. The cubic root of 168441685 is about 552.2679737969.

The spelling of 168441685 in words is "one hundred sixty-eight million, four hundred forty-one thousand, six hundred eighty-five".