266052344297827 has 2 divisors, whose sum is σ = 266052344297828. Its totient is φ = 266052344297826.

The previous prime is 266052344297821. The next prime is 266052344297851. The reversal of 266052344297827 is 728792443250662.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 266052344297827 - 2¹⁹ = 266052343773539 is a prime.

It is not a weakly prime, because it can be changed into another prime (266052344297821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133026172148913 + 133026172148914.

It is an arithmetic number, because the mean of its divisors is an integer number (133026172148914).

Almost surely, 2^{266052344297827} is an apocalyptic number.

266052344297827 is a deficient number, since it is larger than the sum of its proper divisors (1).

266052344297827 is an equidigital number, since it uses as much as digits as its factorization.

266052344297827 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 67.

The spelling of 266052344297827 in words is "two hundred sixty-six trillion, fifty-two billion, three hundred forty-four million, two hundred ninety-seven thousand, eight hundred twenty-seven".