13661026104 has 64 divisors (see below), whose sum is σ = 37813472640. Its totient is φ = 4077912960.

The previous prime is 13661026097. The next prime is 13661026117. The reversal of 13661026104 is 40162016631.

13661026104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 368479 + ... + 403854.

It is an arithmetic number, because the mean of its divisors is an integer number (590835510).

Almost surely, 2^13661026104 is an apocalyptic number.

It is an amenable number.

13661026104 is an abundant number, since it is smaller than the sum of its proper divisors (24152446536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13661026104 is a wasteful number, since it uses less digits than its factorization.

13661026104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772420 (or 772416 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 13661026104 in words is "thirteen billion, six hundred sixty-one million, twenty-six thousand, one hundred four".