16641814 has 16 divisors (see below), whose sum is σ = 28633248. Its totient is φ = 7106112.

The previous prime is 16641803. The next prime is 16641829. The reversal of 16641814 is 41814661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2074 + ... + 6130.

It is an arithmetic number, because the mean of its divisors is an integer number (1789578).

Almost surely, 2^16641814 is an apocalyptic number.

16641814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16641814 is a deficient number, since it is larger than the sum of its proper divisors (11991434).

16641814 is a wasteful number, since it uses less digits than its factorization.

16641814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4359.

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

The square root of 16641814 is about 4079.4379514830. The cubic root of 16641814 is about 255.3094487510.

The spelling of 16641814 in words is "sixteen million, six hundred forty-one thousand, eight hundred fourteen".