14443504666 has 8 divisors (see below), whose sum is σ = 21669907284. Its totient is φ = 7220202240.

The previous prime is 14443504661. The next prime is 14443504693. The reversal of 14443504666 is 66640534441.

14443504666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 14007906025 + 435598641 = 118355^2 + 20871^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×14443504666² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14443504661) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 763365 + ... + 782056.

Almost surely, 2^14443504666 is an apocalyptic number.

14443504666 is a deficient number, since it is larger than the sum of its proper divisors (7226402618).

14443504666 is a wasteful number, since it uses less digits than its factorization.

14443504666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550096.

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 14443504666 in words is "fourteen billion, four hundred forty-three million, five hundred four thousand, six hundred sixty-six".