266061 has 8 divisors (see below), whose sum is σ = 357984. Its totient is φ = 175760.

The previous prime is 266059. The next prime is 266081. The reversal of 266061 is 160662.

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 266061 - 2¹ = 266059 is a prime.

266061 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 266061.

It is not an unprimeable number, because it can be changed into a prime (266051) 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, 55 + ... + 731.

It is an arithmetic number, because the mean of its divisors is an integer number (44748).

2²⁶⁶⁰⁶¹ is an apocalyptic number.

It is an amenable number.

266061 is a deficient number, since it is larger than the sum of its proper divisors (91923).

266061 is a wasteful number, since it uses less digits than its factorization.

266061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 266061 is about 515.8110119026. The cubic root of 266061 is about 64.3171916393.

The spelling of 266061 in words is "two hundred sixty-six thousand, sixty-one".