13605646103 has 12 divisors (see below), whose sum is σ = 16659975960. Its totient is φ = 11048193072.

The previous prime is 13605646051. The next prime is 13605646111. The reversal of 13605646103 is 30164650631.

It is not a de Polignac number, because 13605646103 - 2²⁸ = 13337210647 is a prime.

It is a super-2 number, since 2×13605646103² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13605646133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7306076 + ... + 7307937.

It is an arithmetic number, because the mean of its divisors is an integer number (1388331330).

Almost surely, 2^13605646103 is an apocalyptic number.

13605646103 is a deficient number, since it is larger than the sum of its proper divisors (3054329857).

13605646103 is a wasteful number, since it uses less digits than its factorization.

13605646103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14614046 (or 14614039 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 13605646103 in words is "thirteen billion, six hundred five million, six hundred forty-six thousand, one hundred three".