266200563157 has 2 divisors, whose sum is σ = 266200563158. Its totient is φ = 266200563156.

The previous prime is 266200563149. The next prime is 266200563193. The reversal of 266200563157 is 751365002662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 261643503121 + 4557060036 = 511511^2 + 67506^2 .

It is a cyclic number.

It is not a de Polignac number, because 266200563157 - 2³ = 266200563149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266200563457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133100281578 + 133100281579.

It is an arithmetic number, because the mean of its divisors is an integer number (133100281579).

Almost surely, 2^266200563157 is an apocalyptic number.

It is an amenable number.

266200563157 is a deficient number, since it is larger than the sum of its proper divisors (1).

266200563157 is an equidigital number, since it uses as much as digits as its factorization.

266200563157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 266200563157 in words is "two hundred sixty-six billion, two hundred million, five hundred sixty-three thousand, one hundred fifty-seven".