13606360116221 has 16 divisors (see below), whose sum is σ = 14040523992000. Its totient is φ = 13177857143808.

The previous prime is 13606360116199. The next prime is 13606360116233. The reversal of 13606360116221 is 12261106360631.

It is a cyclic number.

It is not a de Polignac number, because 13606360116221 - 2⁶ = 13606360116157 is a prime.

It is a super-2 number, since 2×13606360116221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13606360116241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1856570 + ... + 5537108.

It is an arithmetic number, because the mean of its divisors is an integer number (877532749500).

Almost surely, 2^{13606360116221} is an apocalyptic number.

It is an amenable number.

13606360116221 is a deficient number, since it is larger than the sum of its proper divisors (434163875779).

13606360116221 is a wasteful number, since it uses less digits than its factorization.

13606360116221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681308.

The product of its (nonzero) digits is 46656, while the sum is 38.

Adding to 13606360116221 its reverse (12261106360631), we get a palindrome (25867466476852).

The spelling of 13606360116221 in words is "thirteen trillion, six hundred six billion, three hundred sixty million, one hundred sixteen thousand, two hundred twenty-one".