866833338601 has 2 divisors, whose sum is σ = 866833338602. Its totient is φ = 866833338600.

The previous prime is 866833338557. The next prime is 866833338629. The reversal of 866833338601 is 106833338668.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 843155515225 + 23677823376 = 918235^2 + 153876^2 .

It is a cyclic number.

It is not a de Polignac number, because 866833338601 - 2³³ = 858243404009 is a prime.

It is not a weakly prime, because it can be changed into another prime (866833338641) 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, 433416669300 + 433416669301.

It is an arithmetic number, because the mean of its divisors is an integer number (433416669301).

Almost surely, 2^866833338601 is an apocalyptic number.

It is an amenable number.

866833338601 is a deficient number, since it is larger than the sum of its proper divisors (1).

866833338601 is an equidigital number, since it uses as much as digits as its factorization.

866833338601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8957952, while the sum is 55.

The spelling of 866833338601 in words is "eight hundred sixty-six billion, eight hundred thirty-three million, three hundred thirty-eight thousand, six hundred one".