16866853353 has 36 divisors (see below), whose sum is σ = 28401937200. Its totient is φ = 9617445936.

The previous prime is 16866853351. The next prime is 16866853379. The reversal of 16866853353 is 35335866861.

It is not a de Polignac number, because 16866853353 - 2¹ = 16866853351 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16866853353.

It is not an unprimeable number, because it can be changed into a prime (16866853351) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 164998 + ... + 246896.

It is an arithmetic number, because the mean of its divisors is an integer number (788942700).

Almost surely, 2^16866853353 is an apocalyptic number.

It is an amenable number.

16866853353 is a deficient number, since it is larger than the sum of its proper divisors (11535083847).

16866853353 is a wasteful number, since it uses less digits than its factorization.

16866853353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82386 (or 82376 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The spelling of 16866853353 in words is "sixteen billion, eight hundred sixty-six million, eight hundred fifty-three thousand, three hundred fifty-three".