16828866 has 24 divisors (see below), whose sum is σ = 36542844. Its totient is φ = 5597280.

The previous prime is 16828849. The next prime is 16828879. The reversal of 16828866 is 66882861.

It can be written as a sum of positive squares in 2 ways, for example, as 15046641 + 1782225 = 3879^2 + 1335^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11496 + ... + 12876.

Almost surely, 2^16828866 is an apocalyptic number.

16828866 is an abundant number, since it is smaller than the sum of its proper divisors (19713978).

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

16828866 is a wasteful number, since it uses less digits than its factorization.

16828866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066 (or 2063 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 16828866 is about 4102.3000865368. The cubic root of 16828866 is about 256.2624363586.

The spelling of 16828866 in words is "sixteen million, eight hundred twenty-eight thousand, eight hundred sixty-six".