683344666 has 8 divisors (see below), whose sum is σ = 1025132724. Its totient is φ = 341633760.

The previous prime is 683344589. The next prime is 683344681. The reversal of 683344666 is 666443386.

It can be written as a sum of positive squares in 2 ways, for example, as 601966225 + 81378441 = 24535^2 + 9021^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15166 + ... + 39958.

Almost surely, 2^683344666 is an apocalyptic number.

683344666 is a deficient number, since it is larger than the sum of its proper divisors (341788058).

683344666 is a wasteful number, since it uses less digits than its factorization.

683344666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38576.

The product of its digits is 1492992, while the sum is 46.

The square root of 683344666 is about 26140.8619980291. The cubic root of 683344666 is about 880.8053345684.

The spelling of 683344666 in words is "six hundred eighty-three million, three hundred forty-four thousand, six hundred sixty-six".