13643801168 has 20 divisors (see below), whose sum is σ = 26707392180. Its totient is φ = 6751570944.

The previous prime is 13643801161. The next prime is 13643801179. The reversal of 13643801168 is 86110834631.

13643801168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5911764544 + 7732036624 = 76888^2 + 87932^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13643801161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4394003 + ... + 4397106.

It is an arithmetic number, because the mean of its divisors is an integer number (1335369609).

Almost surely, 2^13643801168 is an apocalyptic number.

It is an amenable number.

13643801168 is a deficient number, since it is larger than the sum of its proper divisors (13063591012).

13643801168 is an equidigital number, since it uses as much as digits as its factorization.

13643801168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8791214 (or 8791208 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 13643801168 in words is "thirteen billion, six hundred forty-three million, eight hundred one thousand, one hundred sixty-eight".