266012292 has 192 divisors, whose sum is σ = 802013184. Its totient is φ = 66769920.

The previous prime is 266012291. The next prime is 266012309. The reversal of 266012292 is 292210662.

266012292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (266012291) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3643968 + ... + 3644040.

It is an arithmetic number, because the mean of its divisors is an integer number (4177152).

Almost surely, 2^266012292 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266012292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401006592).

266012292 is an abundant number, since it is smaller than the sum of its proper divisors (536000892).

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

266012292 is a wasteful number, since it uses less digits than its factorization.

266012292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 266012292 is about 16309.8832613848. The cubic root of 266012292 is about 643.1326653324.

The spelling of 266012292 in words is "two hundred sixty-six million, twelve thousand, two hundred ninety-two".