266134992 has 20 divisors (see below), whose sum is σ = 687515520. Its totient is φ = 88711648.

The previous prime is 266134991. The next prime is 266134993. The reversal of 266134992 is 299431662.

It is an interprime number because it is at equal distance from previous prime (266134991) and next prime (266134993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266134991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2772192 + ... + 2772287.

It is an arithmetic number, because the mean of its divisors is an integer number (34375776).

Almost surely, 2^266134992 is an apocalyptic number.

It is an amenable number.

266134992 is an abundant number, since it is smaller than the sum of its proper divisors (421380528).

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

266134992 is a wasteful number, since it uses less digits than its factorization.

266134992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5544490 (or 5544484 counting only the distinct ones).

The product of its digits is 139968, while the sum is 42.

The square root of 266134992 is about 16313.6443506655. The cubic root of 266134992 is about 643.2315332552.

The spelling of 266134992 in words is "two hundred sixty-six million, one hundred thirty-four thousand, nine hundred ninety-two".