13664115216103 has 16 divisors (see below), whose sum is σ = 14912532518400. Its totient is φ = 12416736487680.

The previous prime is 13664115216019. The next prime is 13664115216119. The reversal of 13664115216103 is 30161251146631.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13664115216103 - 2²⁹ = 13663578345191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13664115276103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325679575 + ... + 325721527.

It is an arithmetic number, because the mean of its divisors is an integer number (932033282400).

Almost surely, 2^{13664115216103} is an apocalyptic number.

13664115216103 is a deficient number, since it is larger than the sum of its proper divisors (1248417302297).

13664115216103 is a wasteful number, since it uses less digits than its factorization.

13664115216103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53622.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 13664115216103 in words is "thirteen trillion, six hundred sixty-four billion, one hundred fifteen million, two hundred sixteen thousand, one hundred three".