266682671 has 2 divisors, whose sum is σ = 266682672. Its totient is φ = 266682670.

The previous prime is 266682659. The next prime is 266682673. The reversal of 266682671 is 176286662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 266682671 - 2⁶ = 266682607 is a prime.

It is a super-2 number, since 2×266682671² = 142239294023388482, which contains 22 as substring.

Together with 266682673, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266682673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133341335 + 133341336.

It is an arithmetic number, because the mean of its divisors is an integer number (133341336).

Almost surely, 2^266682671 is an apocalyptic number.

266682671 is a deficient number, since it is larger than the sum of its proper divisors (1).

266682671 is an equidigital number, since it uses as much as digits as its factorization.

266682671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The square root of 266682671 is about 16330.4216418315. The cubic root of 266682671 is about 643.6724661578.

The spelling of 266682671 in words is "two hundred sixty-six million, six hundred eighty-two thousand, six hundred seventy-one".