52161716941 has 2 divisors, whose sum is σ = 52161716942. Its totient is φ = 52161716940.

The previous prime is 52161716939. The next prime is 52161717017. The reversal of 52161716941 is 14961716125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46712176900 + 5449540041 = 216130^2 + 73821^2 .

It is a cyclic number.

It is not a de Polignac number, because 52161716941 - 2¹ = 52161716939 is a prime.

Together with 52161716939, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52161716911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26080858470 + 26080858471.

It is an arithmetic number, because the mean of its divisors is an integer number (26080858471).

Almost surely, 2^52161716941 is an apocalyptic number.

It is an amenable number.

52161716941 is a deficient number, since it is larger than the sum of its proper divisors (1).

52161716941 is an equidigital number, since it uses as much as digits as its factorization.

52161716941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 43.

The spelling of 52161716941 in words is "fifty-two billion, one hundred sixty-one million, seven hundred sixteen thousand, nine hundred forty-one".