266968 has 32 divisors (see below), whose sum is σ = 574560. Its totient is φ = 115200.

The previous prime is 266957. The next prime is 266971. The reversal of 266968 is 869662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1693 + ... + 1843.

It is an arithmetic number, because the mean of its divisors is an integer number (17955).

2²⁶⁶⁹⁶⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287280).

266968 is an abundant number, since it is smaller than the sum of its proper divisors (307592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266968 is a wasteful number, since it uses less digits than its factorization.

266968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 183 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 266968 is about 516.6894618627. The cubic root of 266968 is about 64.3901943586.

The spelling of 266968 in words is "two hundred sixty-six thousand, nine hundred sixty-eight".