16868666868350 has 24 divisors (see below), whose sum is σ = 34228058592168. Its totient is φ = 6134060679200.

The previous prime is 16868666868299. The next prime is 16868666868367. The reversal of 16868666868350 is 5386866686861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15335151149 + ... + 15335152248.

It is an arithmetic number, because the mean of its divisors is an integer number (1426169108007).

Almost surely, 2^{16868666868350} is an apocalyptic number.

16868666868350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16868666868350 is an abundant number, since it is smaller than the sum of its proper divisors (17359391723818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16868666868350 is a wasteful number, since it uses less digits than its factorization.

16868666868350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30670303420 (or 30670303415 counting only the distinct ones).

The product of its (nonzero) digits is 2866544640, while the sum is 77.

The spelling of 16868666868350 in words is "sixteen trillion, eight hundred sixty-eight billion, six hundred sixty-six million, eight hundred sixty-eight thousand, three hundred fifty".