13609816165 has 16 divisors (see below), whose sum is σ = 17819326080. Its totient is φ = 9896470720.

The previous prime is 13609816141. The next prime is 13609816169. The reversal of 13609816165 is 56161890631.

It is not a de Polignac number, because 13609816165 - 2¹³ = 13609807973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13609816169) 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, 414792 + ... + 446398.

It is an arithmetic number, because the mean of its divisors is an integer number (1113707880).

Almost surely, 2^13609816165 is an apocalyptic number.

It is an amenable number.

13609816165 is a deficient number, since it is larger than the sum of its proper divisors (4209509915).

13609816165 is a wasteful number, since it uses less digits than its factorization.

13609816165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39452.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 13609816165 in words is "thirteen billion, six hundred nine million, eight hundred sixteen thousand, one hundred sixty-five".