13546497161 has 4 divisors (see below), whose sum is σ = 13548815892. Its totient is φ = 13544178432.

The previous prime is 13546497157. The next prime is 13546497163. The reversal of 13546497161 is 16179464531.

13546497161 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, and also an emirpimes, since its reverse is a distinct semiprime: 16179464531 = 43 ⋅376266617.

It can be written as a sum of positive squares in 2 ways, for example, as 12731737225 + 814759936 = 112835^2 + 28544^2 .

It is a cyclic number.

It is not a de Polignac number, because 13546497161 - 2² = 13546497157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13546497163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1150580 + ... + 1162293.

It is an arithmetic number, because the mean of its divisors is an integer number (3387203973).

Almost surely, 2^13546497161 is an apocalyptic number.

It is an amenable number.

13546497161 is a deficient number, since it is larger than the sum of its proper divisors (2318731).

13546497161 is an equidigital number, since it uses as much as digits as its factorization.

13546497161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318730.

The product of its digits is 544320, while the sum is 47.

The spelling of 13546497161 in words is "thirteen billion, five hundred forty-six million, four hundred ninety-seven thousand, one hundred sixty-one".