65011266 has 24 divisors (see below), whose sum is σ = 141012144. Its totient is φ = 21646680.

The previous prime is 65011253. The next prime is 65011277. The reversal of 65011266 is 66211056.

It is a happy number.

65011266 is a `hidden beast` number, since 650 + 1 + 1 + 2 + 6 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24421 + ... + 26951.

It is an arithmetic number, because the mean of its divisors is an integer number (5875506).

Almost surely, 2^65011266 is an apocalyptic number.

65011266 is an abundant number, since it is smaller than the sum of its proper divisors (76000878).

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

65011266 is a wasteful number, since it uses less digits than its factorization.

65011266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966 (or 3963 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 65011266 is about 8062.9564056864. The cubic root of 65011266 is about 402.0958040023.

The spelling of 65011266 in words is "sixty-five million, eleven thousand, two hundred sixty-six".