266995 has 8 divisors (see below), whose sum is σ = 325584. Its totient is φ = 210144.

The previous prime is 266993. The next prime is 266999. The reversal of 266995 is 599662.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 266995 - 2¹ = 266993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266993) 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, 64 + ... + 733.

It is an arithmetic number, because the mean of its divisors is an integer number (40698).

2²⁶⁶⁹⁹⁵ is an apocalyptic number.

266995 is a deficient number, since it is larger than the sum of its proper divisors (58589).

266995 is an equidigital number, since it uses as much as digits as its factorization.

266995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869.

The product of its digits is 29160, while the sum is 37.

The square root of 266995 is about 516.7155890817. The cubic root of 266995 is about 64.3923650015.

It can be divided in two parts, 26 and 6995, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 266995 in words is "two hundred sixty-six thousand, nine hundred ninety-five".