16823853 has 12 divisors (see below), whose sum is σ = 24430848. Its totient is φ = 11156040.

The previous prime is 16823837. The next prime is 16823867. The reversal of 16823853 is 35832861.

It is not a de Polignac number, because 16823853 - 2⁴ = 16823837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16823813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3175 + ... + 6612.

It is an arithmetic number, because the mean of its divisors is an integer number (2035904).

Almost surely, 2^16823853 is an apocalyptic number.

It is an amenable number.

16823853 is a deficient number, since it is larger than the sum of its proper divisors (7606995).

16823853 is a wasteful number, since it uses less digits than its factorization.

16823853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9984 (or 9981 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 16823853 is about 4101.6890423337. The cubic root of 16823853 is about 256.2369885918.

The spelling of 16823853 in words is "sixteen million, eight hundred twenty-three thousand, eight hundred fifty-three".