266683 has 2 divisors, whose sum is σ = 266684. Its totient is φ = 266682.

The previous prime is 266681. The next prime is 266687. The reversal of 266683 is 386662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 266683 - 2¹ = 266681 is a prime.

It is a super-2 number, since 2×266683² = 142239644978, which contains 22 as substring.

Together with 266681, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (266681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133341 + 133342.

It is an arithmetic number, because the mean of its divisors is an integer number (133342).

2²⁶⁶⁶⁸³ is an apocalyptic number.

266683 is a deficient number, since it is larger than the sum of its proper divisors (1).

266683 is an equidigital number, since it uses as much as digits as its factorization.

266683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 266683 is about 516.4135939342. The cubic root of 266683 is about 64.3672730852.

It can be divided in two parts, 266 and 683, that added together give a palindrome (949).

The spelling of 266683 in words is "two hundred sixty-six thousand, six hundred eighty-three".