866182083567137 has 2 divisors, whose sum is σ = 866182083567138. Its totient is φ = 866182083567136.

The previous prime is 866182083567107. The next prime is 866182083567161. The reversal of 866182083567137 is 731765380281668.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 669716895874321 + 196465187692816 = 25878889^2 + 14016604^2 .

It is a cyclic number.

It is not a de Polignac number, because 866182083567137 - 2⁸ = 866182083566881 is a prime.

It is not a weakly prime, because it can be changed into another prime (866182083567107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433091041783568 + 433091041783569.

It is an arithmetic number, because the mean of its divisors is an integer number (433091041783569).

Almost surely, 2^{866182083567137} is an apocalyptic number.

It is an amenable number.

866182083567137 is a deficient number, since it is larger than the sum of its proper divisors (1).

866182083567137 is an equidigital number, since it uses as much as digits as its factorization.

866182083567137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 487710720, while the sum is 71.

The spelling of 866182083567137 in words is "eight hundred sixty-six trillion, one hundred eighty-two billion, eighty-three million, five hundred sixty-seven thousand, one hundred thirty-seven".