1328663744068 has 6 divisors (see below), whose sum is σ = 2325161552126. Its totient is φ = 664331872032.

The previous prime is 1328663744039. The next prime is 1328663744113. The reversal of 1328663744068 is 8604473668231.

It can be written as a sum of positive squares in only one way, i.e., 1326901255744 + 1762488324 = 1151912^2 + 41982^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166082968005 + ... + 166082968012.

Almost surely, 2^{1328663744068} is an apocalyptic number.

It is an amenable number.

1328663744068 is a deficient number, since it is larger than the sum of its proper divisors (996497808058).

1328663744068 is a wasteful number, since it uses less digits than its factorization.

1328663744068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332165936021 (or 332165936019 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 58.

The spelling of 1328663744068 in words is "one trillion, three hundred twenty-eight billion, six hundred sixty-three million, seven hundred forty-four thousand, sixty-eight".