2666260460041 has 4 divisors (see below), whose sum is σ = 2666266829584. Its totient is φ = 2666254090500.

The previous prime is 2666260459991. The next prime is 2666260460161. The reversal of 2666260460041 is 1400640626662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2666260460041 - 2³³ = 2657670525449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2666260460041.

It is not an unprimeable number, because it can be changed into a prime (2666260460441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2509095 + ... + 3409996.

It is an arithmetic number, because the mean of its divisors is an integer number (666566707396).

Almost surely, 2^{2666260460041} is an apocalyptic number.

It is an amenable number.

2666260460041 is a deficient number, since it is larger than the sum of its proper divisors (6369543).

2666260460041 is an equidigital number, since it uses as much as digits as its factorization.

2666260460041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6369542.

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 2666260460041 in words is "two trillion, six hundred sixty-six billion, two hundred sixty million, four hundred sixty thousand, forty-one".