673075641735566 has 32 divisors (see below), whose sum is σ = 1014929481600000. Its totient is φ = 334771838736192.

The previous prime is 673075641735559. The next prime is 673075641735617. The reversal of 673075641735566 is 665537146570376.

It is a self number, because there is not a number n which added to its sum of digits gives 673075641735566.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409818530 + ... + 411457626.

It is an arithmetic number, because the mean of its divisors is an integer number (31716546300000).

Almost surely, 2^{673075641735566} is an apocalyptic number.

673075641735566 is a deficient number, since it is larger than the sum of its proper divisors (341853839864434).

673075641735566 is a wasteful number, since it uses less digits than its factorization.

673075641735566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640936.

The product of its (nonzero) digits is 2000376000, while the sum is 71.

The spelling of 673075641735566 in words is "six hundred seventy-three trillion, seventy-five billion, six hundred forty-one million, seven hundred thirty-five thousand, five hundred sixty-six".