13104201331646 has 32 divisors (see below), whose sum is σ = 20198442292128. Its totient is φ = 6371579491200.

The previous prime is 13104201331621. The next prime is 13104201331693. The reversal of 13104201331646 is 64613310240131.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2079698696 + ... + 2079704996.

It is an arithmetic number, because the mean of its divisors is an integer number (631201321629).

Almost surely, 2^{13104201331646} is an apocalyptic number.

13104201331646 is a deficient number, since it is larger than the sum of its proper divisors (7094240960482).

13104201331646 is a wasteful number, since it uses less digits than its factorization.

13104201331646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17036.

The product of its (nonzero) digits is 31104, while the sum is 35.

Adding to 13104201331646 its reverse (64613310240131), we get a palindrome (77717511571777).

The spelling of 13104201331646 in words is "thirteen trillion, one hundred four billion, two hundred one million, three hundred thirty-one thousand, six hundred forty-six".