266775063 has 8 divisors (see below), whose sum is σ = 355838448. Its totient is φ = 177780864.

The previous prime is 266775017. The next prime is 266775071. The reversal of 266775063 is 360577662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 266775063 - 2¹⁸ = 266512919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266775083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7506 + ... + 24287.

It is an arithmetic number, because the mean of its divisors is an integer number (44479806).

Almost surely, 2^266775063 is an apocalyptic number.

266775063 is a deficient number, since it is larger than the sum of its proper divisors (89063385).

266775063 is a wasteful number, since it uses less digits than its factorization.

266775063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34593.

The product of its (nonzero) digits is 317520, while the sum is 42.

The square root of 266775063 is about 16333.2502276797. The cubic root of 266775063 is about 643.7467908471.

The spelling of 266775063 in words is "two hundred sixty-six million, seven hundred seventy-five thousand, sixty-three".