16866996 has 12 divisors (see below), whose sum is σ = 39356352. Its totient is φ = 5622328.

The previous prime is 16866977. The next prime is 16867001. The reversal of 16866996 is 69966861.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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, 702780 + ... + 702803.

It is an arithmetic number, because the mean of its divisors is an integer number (3279696).

Almost surely, 2^16866996 is an apocalyptic number.

It is an amenable number.

16866996 is an abundant number, since it is smaller than the sum of its proper divisors (22489356).

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

16866996 is a wasteful number, since it uses less digits than its factorization.

16866996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405590 (or 1405588 counting only the distinct ones).

The product of its digits is 839808, while the sum is 51.

The square root of 16866996 is about 4106.9448498854. The cubic root of 16866996 is about 256.4558325587.

The spelling of 16866996 in words is "sixteen million, eight hundred sixty-six thousand, nine hundred ninety-six".