266115072 has 48 divisors (see below), whose sum is σ = 709483320. Its totient is φ = 88702976.

The previous prime is 266115071. The next prime is 266115077. The reversal of 266115072 is 270511662.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266115071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15513 + ... + 27800.

Almost surely, 2^266115072 is an apocalyptic number.

It is an amenable number.

266115072 is an abundant number, since it is smaller than the sum of its proper divisors (443368248).

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

266115072 is an equidigital number, since it uses as much as digits as its factorization.

266115072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43338 (or 43318 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 266115072 is about 16313.0338073578. The cubic root of 266115072 is about 643.2154843925.

The spelling of 266115072 in words is "two hundred sixty-six million, one hundred fifteen thousand, seventy-two".