266330 has 8 divisors (see below), whose sum is σ = 479412. Its totient is φ = 106528.

The previous prime is 266297. The next prime is 266333. The reversal of 266330 is 33662.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 247009 + 19321 = 497^2 + 139^2 .

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

It is not an unprimeable number, because it can be changed into a prime (266333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13307 + ... + 13326.

2²⁶⁶³³⁰ is an apocalyptic number.

266330 is a deficient number, since it is larger than the sum of its proper divisors (213082).

266330 is a wasteful number, since it uses less digits than its factorization.

266330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26640.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 266330 is about 516.0717004448. The cubic root of 266330 is about 64.3388602254.

Adding to 266330 its reverse (33662), we get a palindrome (299992).

The spelling of 266330 in words is "two hundred sixty-six thousand, three hundred thirty".