13169556133828 has 6 divisors (see below), whose sum is σ = 23046723234206. Its totient is φ = 6584778066912.

The previous prime is 13169556133819. The next prime is 13169556133847. The reversal of 13169556133828 is 82833165596131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11079790991424 + 2089765142404 = 3328632^2 + 1445602^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1646194516725 + ... + 1646194516732.

Almost surely, 2^{13169556133828} is an apocalyptic number.

It is an amenable number.

13169556133828 is a deficient number, since it is larger than the sum of its proper divisors (9877167100378).

13169556133828 is a wasteful number, since it uses less digits than its factorization.

13169556133828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3292389033461 (or 3292389033459 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 61.

The spelling of 13169556133828 in words is "thirteen trillion, one hundred sixty-nine billion, five hundred fifty-six million, one hundred thirty-three thousand, eight hundred twenty-eight".