669044001814 has 8 divisors (see below), whose sum is σ = 1024918471008. Its totient is φ = 327404511480.

The previous prime is 669044001779. The next prime is 669044001869. The reversal of 669044001814 is 418100440966.

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 3558744597 + ... + 3558744784.

It is an arithmetic number, because the mean of its divisors is an integer number (128114808876).

Almost surely, 2^669044001814 is an apocalyptic number.

669044001814 is a deficient number, since it is larger than the sum of its proper divisors (355874469194).

669044001814 is a wasteful number, since it uses less digits than its factorization.

669044001814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7117489430.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 669044001814 in words is "six hundred sixty-nine billion, forty-four million, one thousand, eight hundred fourteen".