16868703686 has 16 divisors (see below), whose sum is σ = 25800083808. Its totient is φ = 8269560000.

The previous prime is 16868703659. The next prime is 16868703697. The reversal of 16868703686 is 68630786861.

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, 182690 + ... + 259061.

It is an arithmetic number, because the mean of its divisors is an integer number (1612505238).

Almost surely, 2^16868703686 is an apocalyptic number.

16868703686 is a deficient number, since it is larger than the sum of its proper divisors (8931380122).

16868703686 is a wasteful number, since it uses less digits than its factorization.

16868703686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442127.

The product of its (nonzero) digits is 13934592, while the sum is 59.

The spelling of 16868703686 in words is "sixteen billion, eight hundred sixty-eight million, seven hundred three thousand, six hundred eighty-six".