671213443666324 has 24 divisors (see below), whose sum is σ = 1276173688343400. Its totient is φ = 307049308468224.

The previous prime is 671213443666319. The next prime is 671213443666421. The reversal of 671213443666324 is 423666344312176.

It can be written as a sum of positive squares in 4 ways, for example, as 132299040545424 + 538914403120900 = 11502132^2 + 23214530^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57114820849 + ... + 57114832600.

It is an arithmetic number, because the mean of its divisors is an integer number (53173903680975).

Almost surely, 2^{671213443666324} is an apocalyptic number.

It is an amenable number.

671213443666324 is a deficient number, since it is larger than the sum of its proper divisors (604960244677076).

671213443666324 is a wasteful number, since it uses less digits than its factorization.

671213443666324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114229653579 (or 114229653577 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 58.

The spelling of 671213443666324 in words is "six hundred seventy-one trillion, two hundred thirteen billion, four hundred forty-three million, six hundred sixty-six thousand, three hundred twenty-four".