16646043014 has 4 divisors (see below), whose sum is σ = 24969064524. Its totient is φ = 8323021506.

The previous prime is 16646042971. The next prime is 16646043079. The reversal of 16646043014 is 41034064661.

It is a happy number.

16646043014 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 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 as a sum of consecutive naturals, namely, 4161510752 + ... + 4161510755.

It is an arithmetic number, because the mean of its divisors is an integer number (6242266131).

Almost surely, 2^16646043014 is an apocalyptic number.

16646043014 is a deficient number, since it is larger than the sum of its proper divisors (8323021510).

16646043014 is an equidigital number, since it uses as much as digits as its factorization.

16646043014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8323021509.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 16646043014 in words is "sixteen billion, six hundred forty-six million, forty-three thousand, fourteen".