266463 has 16 divisors (see below), whose sum is σ = 403200. Its totient is φ = 173880.

The previous prime is 266449. The next prime is 266477. The reversal of 266463 is 364662.

It is an interprime number because it is at equal distance from previous prime (266449) and next prime (266477).

It is not a de Polignac number, because 266463 - 2⁴ = 266447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2¹³ + 6² + 4⁸ + 6⁵ + 6⁵ + 3¹¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1848 + ... + 1986.

It is an arithmetic number, because the mean of its divisors is an integer number (25200).

2²⁶⁶⁴⁶³ is an apocalyptic number.

266463 is a deficient number, since it is larger than the sum of its proper divisors (136737).

266463 is a wasteful number, since it uses less digits than its factorization.

266463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 213 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 266463 is about 516.2005424251. The cubic root of 266463 is about 64.3495682998.

It can be divided in two parts, 266 and 463, that added together give a 6-th power (729 = 3⁶).

The spelling of 266463 in words is "two hundred sixty-six thousand, four hundred sixty-three".