1373828220668 has 24 divisors (see below), whose sum is σ = 2407606796112. Its totient is φ = 685940742144.

The previous prime is 1373828220637. The next prime is 1373828220707. The reversal of 1373828220668 is 8660228283731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51835196 + ... + 51861692.

It is an arithmetic number, because the mean of its divisors is an integer number (100316949838).

Almost surely, 2^{1373828220668} is an apocalyptic number.

It is an amenable number.

1373828220668 is a deficient number, since it is larger than the sum of its proper divisors (1033778575444).

1373828220668 is a wasteful number, since it uses less digits than its factorization.

1373828220668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44381 (or 44379 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 1373828220668 in words is "one trillion, three hundred seventy-three billion, eight hundred twenty-eight million, two hundred twenty thousand, six hundred sixty-eight".