16680082 has 4 divisors (see below), whose sum is σ = 25020126. Its totient is φ = 8340040.

The previous prime is 16680061. The next prime is 16680089. The reversal of 16680082 is 28008661.

16680082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11162281 + 5517801 = 3341^2 + 2349^2 .

It is not an unprimeable number, because it can be changed into a prime (16680089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4170019 + ... + 4170022.

Almost surely, 2^16680082 is an apocalyptic number.

16680082 is a deficient number, since it is larger than the sum of its proper divisors (8340044).

16680082 is an equidigital number, since it uses as much as digits as its factorization.

16680082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8340043.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 16680082 is about 4084.1256102133. The cubic root of 16680082 is about 255.5049943941.

The spelling of 16680082 in words is "sixteen million, six hundred eighty thousand, eighty-two".