13161653 has 4 divisors (see below), whose sum is σ = 13182828. Its totient is φ = 13140480.

The previous prime is 13161601. The next prime is 13161703. The reversal of 13161653 is 35616131.

13161653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10608049 + 2553604 = 3257^2 + 1598^2 .

It is a cyclic number.

It is not a de Polignac number, because 13161653 - 2¹⁴ = 13145269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13163653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9626 + ... + 10907.

It is an arithmetic number, because the mean of its divisors is an integer number (3295707).

Almost surely, 2^13161653 is an apocalyptic number.

It is an amenable number.

13161653 is a deficient number, since it is larger than the sum of its proper divisors (21175).

13161653 is an equidigital number, since it uses as much as digits as its factorization.

13161653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21174.

The product of its digits is 1620, while the sum is 26.

The square root of 13161653 is about 3627.8992543895. The cubic root of 13161653 is about 236.1040728862.

Adding to 13161653 its reverse (35616131), we get a palindrome (48777784).

The spelling of 13161653 in words is "thirteen million, one hundred sixty-one thousand, six hundred fifty-three".