266696 has 32 divisors (see below), whose sum is σ = 554040. Its totient is φ = 119808.

The previous prime is 266689. The next prime is 266701. The reversal of 266696 is 696662.

266696 = T₁₁ + T₁₂ + ... + T₁₁₆.

It can be written as a sum of positive squares in 4 ways, for example, as 264196 + 2500 = 514^2 + 50^2 .

It is a super-2 number, since 2×266696² = 142253512832, which contains 22 as substring.

It is an Ulam number.

It is a zygodrome in base 3.

It is an unprimeable number.

266696 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5006 + ... + 5058.

2²⁶⁶⁶⁹⁶ is an apocalyptic number.

It is an amenable number.

266696 is an abundant number, since it is smaller than the sum of its proper divisors (287344).

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

266696 is a wasteful number, since it uses less digits than its factorization.

266696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 109 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The square root of 266696 is about 516.4261805912. The cubic root of 266696 is about 64.3683189723.

It can be divided in two parts, 266 and 696, that multiplied together give a triangular number (185136 = T₆₀₈).

The spelling of 266696 in words is "two hundred sixty-six thousand, six hundred ninety-six".