13600161 has 6 divisors (see below), whose sum is σ = 19644690. Its totient is φ = 9066768.

The previous prime is 13600157. The next prime is 13600189. The reversal of 13600161 is 16100631.

13600161 is a `hidden beast` number, since 1 + 3 + 600 + 1 + 61 = 666.

13600161 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11350161 + 2250000 = 3369^2 + 1500^2 .

It is not a de Polignac number, because 13600161 - 2² = 13600157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13600141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 755556 + ... + 755573.

It is an arithmetic number, because the mean of its divisors is an integer number (3274115).

Almost surely, 2^13600161 is an apocalyptic number.

It is an amenable number.

13600161 is a deficient number, since it is larger than the sum of its proper divisors (6044529).

13600161 is a wasteful number, since it uses less digits than its factorization.

13600161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511135 (or 1511132 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 13600161 is about 3687.8396114799. The cubic root of 13600161 is about 238.6975802974.

Adding to 13600161 its reverse (16100631), we get a palindrome (29700792).

The spelling of 13600161 in words is "thirteen million, six hundred thousand, one hundred sixty-one".