266763 has 8 divisors (see below), whose sum is σ = 406528. Its totient is φ = 152424.

The previous prime is 266759. The next prime is 266767. The reversal of 266763 is 367662.

It is an interprime number because it is at equal distance from previous prime (266759) and next prime (266767).

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

It is not a de Polignac number, because 266763 - 2² = 266759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 266763.

It is not an unprimeable number, because it can be changed into a prime (266767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6331 + ... + 6372.

It is an arithmetic number, because the mean of its divisors is an integer number (50816).

2²⁶⁶⁷⁶³ is an apocalyptic number.

266763 is a deficient number, since it is larger than the sum of its proper divisors (139765).

266763 is a wasteful number, since it uses less digits than its factorization.

266763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12713.

The product of its digits is 9072, while the sum is 30.

The square root of 266763 is about 516.4910454209. The cubic root of 266763 is about 64.3737087748.

The spelling of 266763 in words is "two hundred sixty-six thousand, seven hundred sixty-three".