13164044563 has 4 divisors (see below), whose sum is σ = 13164768288. Its totient is φ = 13163320840.

The previous prime is 13164044561. The next prime is 13164044591. The reversal of 13164044563 is 36544046131.

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

It is a cyclic number.

It is not a de Polignac number, because 13164044563 - 2¹ = 13164044561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13164044561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333856 + ... + 371197.

It is an arithmetic number, because the mean of its divisors is an integer number (3291192072).

Almost surely, 2^13164044563 is an apocalyptic number.

13164044563 is a deficient number, since it is larger than the sum of its proper divisors (723725).

13164044563 is an equidigital number, since it uses as much as digits as its factorization.

13164044563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723724.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 13164044563 in words is "thirteen billion, one hundred sixty-four million, forty-four thousand, five hundred sixty-three".