2016818 has 4 divisors (see below), whose sum is σ = 3025230. Its totient is φ = 1008408.

The previous prime is 2016787. The next prime is 2016821. The reversal of 2016818 is 8186102.

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., 1247689 + 769129 = 1117^2 + 877^2 .

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 as a sum of consecutive naturals, namely, 504203 + ... + 504206.

2^2016818 is an apocalyptic number.

2016818 is a deficient number, since it is larger than the sum of its proper divisors (1008412).

2016818 is a wasteful number, since it uses less digits than its factorization.

2016818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008411.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 2016818 is about 1420.1471754716. The cubic root of 2016818 is about 126.3442755626.

The spelling of 2016818 in words is "two million, sixteen thousand, eight hundred eighteen".