265204143441066 has 16 divisors (see below), whose sum is σ = 532218554076384. Its totient is φ = 88099669947984.

The previous prime is 265204143441043. The next prime is 265204143441157. The reversal of 265204143441066 is 660144341402562.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75427797856 + ... + 75427801371.

It is an arithmetic number, because the mean of its divisors is an integer number (33263659629774).

Almost surely, 2^{265204143441066} is an apocalyptic number.

265204143441066 is an abundant number, since it is smaller than the sum of its proper divisors (267014410635318).

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

265204143441066 is a wasteful number, since it uses less digits than its factorization.

265204143441066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150855599525.

The product of its (nonzero) digits is 3317760, while the sum is 48.

The spelling of 265204143441066 in words is "two hundred sixty-five trillion, two hundred four billion, one hundred forty-three million, four hundred forty-one thousand, sixty-six".