16966856 has 16 divisors (see below), whose sum is σ = 32910300. Its totient is φ = 8190784.

The previous prime is 16966853. The next prime is 16966861. The reversal of 16966856 is 65866961.

It can be written as a sum of positive squares in 2 ways, for example, as 16564900 + 401956 = 4070^2 + 634^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16966856.

It is not an unprimeable number, because it can be changed into a prime (16966853) 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, 36335 + ... + 36798.

Almost surely, 2^16966856 is an apocalyptic number.

It is an amenable number.

16966856 is a deficient number, since it is larger than the sum of its proper divisors (15943444).

16966856 is a wasteful number, since it uses less digits than its factorization.

16966856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73168 (or 73164 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 16966856 is about 4119.0843642732. The cubic root of 16966856 is about 256.9609472977.

The spelling of 16966856 in words is "sixteen million, nine hundred sixty-six thousand, eight hundred fifty-six".