13664403104 has 48 divisors (see below), whose sum is σ = 30140613216. Its totient is φ = 6043219200.

The previous prime is 13664403083. The next prime is 13664403121. The reversal of 13664403104 is 40130446631.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511562 + ... + 537609.

It is an arithmetic number, because the mean of its divisors is an integer number (627929442).

Almost surely, 2^13664403104 is an apocalyptic number.

It is an amenable number.

13664403104 is an abundant number, since it is smaller than the sum of its proper divisors (16476210112).

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

13664403104 is a wasteful number, since it uses less digits than its factorization.

13664403104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049229 (or 1049221 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 13664403104 its reverse (40130446631), we get a palindrome (53794849735).

The spelling of 13664403104 in words is "thirteen billion, six hundred sixty-four million, four hundred three thousand, one hundred four".