266902 has 4 divisors (see below), whose sum is σ = 400356. Its totient is φ = 133450.

The previous prime is 266899. The next prime is 266909. The reversal of 266902 is 209662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 209662 = 2 ⋅104831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266909) by changing a digit.

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 as a sum of consecutive naturals, namely, 66724 + ... + 66727.

It is an arithmetic number, because the mean of its divisors is an integer number (100089).

2²⁶⁶⁹⁰² is an apocalyptic number.

266902 is a deficient number, since it is larger than the sum of its proper divisors (133454).

266902 is a wasteful number, since it uses less digits than its factorization.

266902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133453.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 266902 is about 516.6255897650. The cubic root of 266902 is about 64.3848877262.

It can be divided in two parts, 266 and 902, that multiplied together give a palindrome (239932).

The spelling of 266902 in words is "two hundred sixty-six thousand, nine hundred two".