266065434132 has 48 divisors (see below), whose sum is σ = 626486102592. Its totient is φ = 87879375360.

The previous prime is 266065434097. The next prime is 266065434133. The reversal of 266065434132 is 231434560662.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266065434133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5272782 + ... + 5323002.

It is an arithmetic number, because the mean of its divisors is an integer number (13051793804).

Almost surely, 2^266065434132 is an apocalyptic number.

It is an amenable number.

266065434132 is an abundant number, since it is smaller than the sum of its proper divisors (360420668460).

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

266065434132 is a wasteful number, since it uses less digits than its factorization.

266065434132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54248 (or 54246 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

Adding to 266065434132 its reverse (231434560662), we get a palindrome (497499994794).

The spelling of 266065434132 in words is "two hundred sixty-six billion, sixty-five million, four hundred thirty-four thousand, one hundred thirty-two".