265436028066 has 64 divisors (see below), whose sum is σ = 583506437760. Its totient is φ = 79828968960.

The previous prime is 265436028061. The next prime is 265436028083. The reversal of 265436028066 is 660820634562.

265436028066 is digitally balanced in base 3, 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 (265436028061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9072870 + ... + 9102078.

It is an arithmetic number, because the mean of its divisors is an integer number (9117288090).

Almost surely, 2^265436028066 is an apocalyptic number.

265436028066 is an abundant number, since it is smaller than the sum of its proper divisors (318070409694).

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

265436028066 is a wasteful number, since it uses less digits than its factorization.

265436028066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30259.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 265436028066 in words is "two hundred sixty-five billion, four hundred thirty-six million, twenty-eight thousand, sixty-six".