8266663 has 2 divisors, whose sum is σ = 8266664. Its totient is φ = 8266662.

The previous prime is 8266633. The next prime is 8266697. The reversal of 8266663 is 3666628.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8266663 - 2⁹ = 8266151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8266613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4133331 + 4133332.

It is an arithmetic number, because the mean of its divisors is an integer number (4133332).

Almost surely, 2^8266663 is an apocalyptic number.

8266663 is a deficient number, since it is larger than the sum of its proper divisors (1).

8266663 is an equidigital number, since it uses as much as digits as its factorization.

8266663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 37.

The square root of 8266663 is about 2875.1805160720. The cubic root of 8266663 is about 202.1979482978.

The spelling of 8266663 in words is "eight million, two hundred sixty-six thousand, six hundred sixty-three".