16809196 has 12 divisors (see below), whose sum is σ = 29449000. Its totient is φ = 8395200.

The previous prime is 16809193. The next prime is 16809197. The reversal of 16809196 is 69190861.

It is not an unprimeable number, because it can be changed into a prime (16809193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3055 + ... + 6553.

Almost surely, 2^16809196 is an apocalyptic number.

It is an amenable number.

16809196 is a deficient number, since it is larger than the sum of its proper divisors (12639804).

16809196 is a wasteful number, since it uses less digits than its factorization.

16809196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4704 (or 4702 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 16809196 is about 4099.9019500471. The cubic root of 16809196 is about 256.1625554497.

The spelling of 16809196 in words is "sixteen million, eight hundred nine thousand, one hundred ninety-six".