16855268677 has 8 divisors (see below), whose sum is σ = 18294757376. Its totient is φ = 15436198512.

The previous prime is 16855268659. The next prime is 16855268693. The reversal of 16855268677 is 77686255861.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16855268677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16855268377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5102913 + ... + 5106214.

It is an arithmetic number, because the mean of its divisors is an integer number (2286844672).

Almost surely, 2^16855268677 is an apocalyptic number.

It is an amenable number.

16855268677 is a deficient number, since it is larger than the sum of its proper divisors (1439488699).

16855268677 is a wasteful number, since it uses less digits than its factorization.

16855268677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10209267.

The product of its digits is 33868800, while the sum is 61.

The spelling of 16855268677 in words is "sixteen billion, eight hundred fifty-five million, two hundred sixty-eight thousand, six hundred seventy-seven".