168829685 has 8 divisors (see below), whose sum is σ = 202715136. Its totient is φ = 134984080.

The previous prime is 168829679. The next prime is 168829699. The reversal of 168829685 is 586928861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 168829685 - 2¹⁸ = 168567541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 332 + ... + 18378.

It is an arithmetic number, because the mean of its divisors is an integer number (25339392).

Almost surely, 2^168829685 is an apocalyptic number.

It is an amenable number.

168829685 is a deficient number, since it is larger than the sum of its proper divisors (33885451).

168829685 is a wasteful number, since it uses less digits than its factorization.

168829685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19923.

The product of its digits is 1658880, while the sum is 53.

The square root of 168829685 is about 12993.4477718579. The cubic root of 168829685 is about 552.6916924567.

The spelling of 168829685 in words is "one hundred sixty-eight million, eight hundred twenty-nine thousand, six hundred eighty-five".