13161065440463 has 4 divisors (see below), whose sum is σ = 13161279478680. Its totient is φ = 13160851402248.

The previous prime is 13161065440427. The next prime is 13161065440483. The reversal of 13161065440463 is 36404456016131.

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 13161065440463 - 2⁶ = 13161065440399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13161065440403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106926848 + ... + 107049861.

It is an arithmetic number, because the mean of its divisors is an integer number (3290319869670).

Almost surely, 2^{13161065440463} is an apocalyptic number.

13161065440463 is a deficient number, since it is larger than the sum of its proper divisors (214038217).

13161065440463 is an equidigital number, since it uses as much as digits as its factorization.

13161065440463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214038216.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 13161065440463 in words is "thirteen trillion, one hundred sixty-one billion, sixty-five million, four hundred forty thousand, four hundred sixty-three".