266732977134317 has 2 divisors, whose sum is σ = 266732977134318. Its totient is φ = 266732977134316.

The previous prime is 266732977134301. The next prime is 266732977134359. The reversal of 266732977134317 is 713431779237662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138766067569801 + 127966909564516 = 11779901^2 + 11312246^2 .

It is a cyclic number.

It is not a de Polignac number, because 266732977134317 - 2⁴ = 266732977134301 is a prime.

It is a super-2 number, since 2×266732977134317² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266732977134397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133366488567158 + 133366488567159.

It is an arithmetic number, because the mean of its divisors is an integer number (133366488567159).

Almost surely, 2^{266732977134317} is an apocalyptic number.

It is an amenable number.

266732977134317 is a deficient number, since it is larger than the sum of its proper divisors (1).

266732977134317 is an equidigital number, since it uses as much as digits as its factorization.

266732977134317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336063168, while the sum is 68.

The spelling of 266732977134317 in words is "two hundred sixty-six trillion, seven hundred thirty-two billion, nine hundred seventy-seven million, one hundred thirty-four thousand, three hundred seventeen".