266149 has 8 divisors (see below), whose sum is σ = 292320. Its totient is φ = 240816.

The previous prime is 266137. The next prime is 266153. The reversal of 266149 is 941662.

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 266149 - 2⁵ = 266117 is a prime.

It is a Duffinian number.

266149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266129) 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, 594 + ... + 940.

It is an arithmetic number, because the mean of its divisors is an integer number (36540).

2²⁶⁶¹⁴⁹ is an apocalyptic number.

It is an amenable number.

266149 is a deficient number, since it is larger than the sum of its proper divisors (26171).

266149 is a wasteful number, since it uses less digits than its factorization.

266149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419.

The product of its digits is 2592, while the sum is 28.

The square root of 266149 is about 515.8963074107. The cubic root of 266149 is about 64.3242818542.

The spelling of 266149 in words is "two hundred sixty-six thousand, one hundred forty-nine".