180057340866197 has 2 divisors, whose sum is σ = 180057340866198. Its totient is φ = 180057340866196.

The previous prime is 180057340866181. The next prime is 180057340866209. The reversal of 180057340866197 is 791668043750081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151920193499281 + 28137147366916 = 12325591^2 + 5304446^2 .

It is a cyclic number.

It is not a de Polignac number, because 180057340866197 - 2⁴ = 180057340866181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180057340866497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90028670433098 + 90028670433099.

It is an arithmetic number, because the mean of its divisors is an integer number (90028670433099).

Almost surely, 2^{180057340866197} is an apocalyptic number.

It is an amenable number.

180057340866197 is a deficient number, since it is larger than the sum of its proper divisors (1).

180057340866197 is an equidigital number, since it uses as much as digits as its factorization.

180057340866197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60963840, while the sum is 65.

The spelling of 180057340866197 in words is "one hundred eighty trillion, fifty-seven billion, three hundred forty million, eight hundred sixty-six thousand, one hundred ninety-seven".