13580808161 has 4 divisors (see below), whose sum is σ = 13581048000. Its totient is φ = 13580568324.

The previous prime is 13580808127. The next prime is 13580808167. The reversal of 13580808161 is 16180808531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13580808161 - 2¹⁸ = 13580546017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13580808167) 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, 17540 + ... + 165738.

It is an arithmetic number, because the mean of its divisors is an integer number (3395262000).

Almost surely, 2^13580808161 is an apocalyptic number.

It is an amenable number.

13580808161 is a deficient number, since it is larger than the sum of its proper divisors (239839).

13580808161 is an equidigital number, since it uses as much as digits as its factorization.

13580808161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239838.

The product of its (nonzero) digits is 46080, while the sum is 41.

The spelling of 13580808161 in words is "thirteen billion, five hundred eighty million, eight hundred eight thousand, one hundred sixty-one".