266681151343 has 2 divisors, whose sum is σ = 266681151344. Its totient is φ = 266681151342.

The previous prime is 266681151313. The next prime is 266681151371. The reversal of 266681151343 is 343151186662.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266681151343 is a prime.

It is a super-2 number, since 2×266681151343² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 266681151293 and 266681151302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266681151313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133340575671 + 133340575672.

It is an arithmetic number, because the mean of its divisors is an integer number (133340575672).

Almost surely, 2^266681151343 is an apocalyptic number.

266681151343 is a deficient number, since it is larger than the sum of its proper divisors (1).

266681151343 is an equidigital number, since it uses as much as digits as its factorization.

266681151343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 46.

The spelling of 266681151343 in words is "two hundred sixty-six billion, six hundred eighty-one million, one hundred fifty-one thousand, three hundred forty-three".