265641206034066 has 16 divisors (see below), whose sum is σ = 532465669116000. Its totient is φ = 88349859170048.

The previous prime is 265641206034013. The next prime is 265641206034067. The reversal of 265641206034066 is 660430602146562.

It is not an unprimeable number, because it can be changed into a prime (265641206034067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49302374076 + ... + 49302379463.

It is an arithmetic number, because the mean of its divisors is an integer number (33279104319750).

Almost surely, 2^{265641206034066} is an apocalyptic number.

265641206034066 is an abundant number, since it is smaller than the sum of its proper divisors (266824463081934).

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

265641206034066 is a wasteful number, since it uses less digits than its factorization.

265641206034066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98604753993.

The product of its (nonzero) digits is 7464960, while the sum is 51.

The spelling of 265641206034066 in words is "two hundred sixty-five trillion, six hundred forty-one billion, two hundred six million, thirty-four thousand, sixty-six".