168869686 has 16 divisors (see below), whose sum is σ = 261504144. Its totient is φ = 81736704.

The previous prime is 168869669. The next prime is 168869707. The reversal of 168869686 is 686968861.

168869686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 168869686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030 + ... + 18406.

It is an arithmetic number, because the mean of its divisors is an integer number (16344009).

Almost surely, 2^168869686 is an apocalyptic number.

168869686 is a deficient number, since it is larger than the sum of its proper divisors (92634458).

168869686 is a wasteful number, since it uses less digits than its factorization.

168869686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17535.

The product of its digits is 5971968, while the sum is 58.

The square root of 168869686 is about 12994.9869565152. The cubic root of 168869686 is about 552.7353389568.

The spelling of 168869686 in words is "one hundred sixty-eight million, eight hundred sixty-nine thousand, six hundred eighty-six".