17161455361 has 2 divisors, whose sum is σ = 17161455362. Its totient is φ = 17161455360.

The previous prime is 17161455347. The next prime is 17161455371. The reversal of 17161455361 is 16355416171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9186072336 + 7975383025 = 95844^2 + 89305^2 .

It is an emirp because it is prime and its reverse (16355416171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17161455361 - 2¹³ = 17161447169 is a prime.

It is not a weakly prime, because it can be changed into another prime (17161455301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8580727680 + 8580727681.

It is an arithmetic number, because the mean of its divisors is an integer number (8580727681).

Almost surely, 2^17161455361 is an apocalyptic number.

It is an amenable number.

17161455361 is a deficient number, since it is larger than the sum of its proper divisors (1).

17161455361 is an equidigital number, since it uses as much as digits as its factorization.

17161455361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 40.

The spelling of 17161455361 in words is "seventeen billion, one hundred sixty-one million, four hundred fifty-five thousand, three hundred sixty-one".