16828566 has 32 divisors (see below), whose sum is σ = 36263040. Its totient is φ = 5189184.

The previous prime is 16828561. The next prime is 16828577. The reversal of 16828566 is 66582861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16828561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3186 + ... + 6618.

It is an arithmetic number, because the mean of its divisors is an integer number (1133220).

Almost surely, 2^16828566 is an apocalyptic number.

16828566 is an abundant number, since it is smaller than the sum of its proper divisors (19434474).

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

16828566 is a wasteful number, since it uses less digits than its factorization.

16828566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500.

The product of its digits is 138240, while the sum is 42.

The square root of 16828566 is about 4102.2635215208. The cubic root of 16828566 is about 256.2609135943.

The spelling of 16828566 in words is "sixteen million, eight hundred twenty-eight thousand, five hundred sixty-six".