16681114 has 16 divisors (see below), whose sum is σ = 26996328. Its totient is φ = 7700992.

The previous prime is 16681111. The next prime is 16681123. The reversal of 16681114 is 41118661.

It can be written as a sum of positive squares in 4 ways, for example, as 14175225 + 2505889 = 3765^2 + 1583^2 .

It is not an unprimeable number, because it can be changed into a prime (16681111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2827 + ... + 6430.

Almost surely, 2^16681114 is an apocalyptic number.

16681114 is a deficient number, since it is larger than the sum of its proper divisors (10315214).

16681114 is a wasteful number, since it uses less digits than its factorization.

16681114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9329.

The product of its digits is 1152, while the sum is 28.

The square root of 16681114 is about 4084.2519510921. The cubic root of 16681114 is about 255.5102636671.

Adding to 16681114 its reverse (41118661), we get a palindrome (57799775).

The spelling of 16681114 in words is "sixteen million, six hundred eighty-one thousand, one hundred fourteen".