266682673 has 2 divisors, whose sum is σ = 266682674. Its totient is φ = 266682672.

The previous prime is 266682671. The next prime is 266682679. The reversal of 266682673 is 376286662.

266682673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253191744 + 13490929 = 15912^2 + 3673^2 .

It is a cyclic number.

It is not a de Polignac number, because 266682673 - 2¹ = 266682671 is a prime.

It is a super-2 number, since 2×266682673² = 142239296156849858, which contains 22 as substring.

Together with 266682671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (266682671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133341336 + 133341337.

It is an arithmetic number, because the mean of its divisors is an integer number (133341337).

Almost surely, 2^266682673 is an apocalyptic number.

It is an amenable number.

266682673 is a deficient number, since it is larger than the sum of its proper divisors (1).

266682673 is an equidigital number, since it uses as much as digits as its factorization.

266682673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 46.

The square root of 266682673 is about 16330.4217030669. The cubic root of 266682673 is about 643.6724677669.

The spelling of 266682673 in words is "two hundred sixty-six million, six hundred eighty-two thousand, six hundred seventy-three".