16828218 has 24 divisors (see below), whose sum is σ = 39776256. Its totient is φ = 5099400.

The previous prime is 16828213. The next prime is 16828237. The reversal of 16828218 is 81282861.

It is a Curzon number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (16828213) 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, 42298 + ... + 42693.

It is an arithmetic number, because the mean of its divisors is an integer number (1657344).

Almost surely, 2^16828218 is an apocalyptic number.

16828218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16828218 is an abundant number, since it is smaller than the sum of its proper divisors (22948038).

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

16828218 is a wasteful number, since it uses less digits than its factorization.

16828218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85010 (or 85007 counting only the distinct ones).

The product of its digits is 12288, while the sum is 36.

The square root of 16828218 is about 4102.2211056938. The cubic root of 16828218 is about 256.2591471650.

The spelling of 16828218 in words is "sixteen million, eight hundred twenty-eight thousand, two hundred eighteen".