161134753476161 has 2 divisors, whose sum is σ = 161134753476162. Its totient is φ = 161134753476160.

The previous prime is 161134753476127. The next prime is 161134753476211. The reversal of 161134753476161 is 161674357431161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102875499275536 + 58259254200625 = 10142756^2 + 7632775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161134753476161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161134753476097 and 161134753476106.

It is not a weakly prime, because it can be changed into another prime (161134753476661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80567376738080 + 80567376738081.

It is an arithmetic number, because the mean of its divisors is an integer number (80567376738081).

Almost surely, 2^{161134753476161} is an apocalyptic number.

It is an amenable number.

161134753476161 is a deficient number, since it is larger than the sum of its proper divisors (1).

161134753476161 is an equidigital number, since it uses as much as digits as its factorization.

161134753476161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 56.

The spelling of 161134753476161 in words is "one hundred sixty-one trillion, one hundred thirty-four billion, seven hundred fifty-three million, four hundred seventy-six thousand, one hundred sixty-one".