2665065145641 has 8 divisors (see below), whose sum is σ = 3554506547904. Its totient is φ = 1776166920240.

The previous prime is 2665065145637. The next prime is 2665065145661. The reversal of 2665065145641 is 1465415605662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2665065145641 - 2² = 2665065145637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2665065145601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135782766 + ... + 135802391.

It is an arithmetic number, because the mean of its divisors is an integer number (444313318488).

Almost surely, 2^{2665065145641} is an apocalyptic number.

It is an amenable number.

2665065145641 is a deficient number, since it is larger than the sum of its proper divisors (889441402263).

2665065145641 is a wasteful number, since it uses less digits than its factorization.

2665065145641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271588431.

The product of its (nonzero) digits is 5184000, while the sum is 51.

The spelling of 2665065145641 in words is "two trillion, six hundred sixty-five billion, sixty-five million, one hundred forty-five thousand, six hundred forty-one".