16680853 has 4 divisors (see below), whose sum is σ = 19063840. Its totient is φ = 14297868.

The previous prime is 16680847. The next prime is 16680871. The reversal of 16680853 is 35808661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16680853 - 2⁹ = 16680341 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 (16680823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1191483 + ... + 1191496.

It is an arithmetic number, because the mean of its divisors is an integer number (4765960).

Almost surely, 2^16680853 is an apocalyptic number.

It is an amenable number.

16680853 is a deficient number, since it is larger than the sum of its proper divisors (2382987).

16680853 is an equidigital number, since it uses as much as digits as its factorization.

16680853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382986.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 16680853 is about 4084.2199989717. The cubic root of 16680853 is about 255.5089310517.

The spelling of 16680853 in words is "sixteen million, six hundred eighty thousand, eight hundred fifty-three".