16853703666 has 8 divisors (see below), whose sum is σ = 33707407344. Its totient is φ = 5617901220.

The previous prime is 16853703637. The next prime is 16853703697. The reversal of 16853703666 is 66630735861.

It is a happy number.

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

16853703666 is an admirable number.

It is a super-2 number, since 2×16853703666² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1404475300 + ... + 1404475311.

It is an arithmetic number, because the mean of its divisors is an integer number (4213425918).

Almost surely, 2^16853703666 is an apocalyptic number.

16853703666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16853703666 is a wasteful number, since it uses less digits than its factorization.

16853703666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808950616.

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 16853703666 in words is "sixteen billion, eight hundred fifty-three million, seven hundred three thousand, six hundred sixty-six".