673334006663 has 4 divisors (see below), whose sum is σ = 673339545120. Its totient is φ = 673328468208.

The previous prime is 673334006659. The next prime is 673334006707. The reversal of 673334006663 is 366600433376.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 673334006663 - 2² = 673334006659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673334006623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2582678 + ... + 2831411.

It is an arithmetic number, because the mean of its divisors is an integer number (168334886280).

Almost surely, 2^673334006663 is an apocalyptic number.

673334006663 is a deficient number, since it is larger than the sum of its proper divisors (5538457).

673334006663 is a wasteful number, since it uses less digits than its factorization.

673334006663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5538456.

The product of its (nonzero) digits is 2939328, while the sum is 47.

The spelling of 673334006663 in words is "six hundred seventy-three billion, three hundred thirty-four million, six thousand, six hundred sixty-three".