2666664041 has 12 divisors (see below), whose sum is σ = 2825203392. Its totient is φ = 2516617944.

The previous prime is 2666664031. The next prime is 2666664043. The reversal of 2666664041 is 1404666662.

It is not a de Polignac number, because 2666664041 - 2⁶ = 2666663977 is a prime.

It is a super-2 number, since 2×2666664041² = 14222194215124899362, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2666664041.

It is not an unprimeable number, because it can be changed into a prime (2666664043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80900 + ... + 108986.

It is an arithmetic number, because the mean of its divisors is an integer number (235433616).

Almost surely, 2^2666664041 is an apocalyptic number.

It is an amenable number.

2666664041 is a deficient number, since it is larger than the sum of its proper divisors (158539351).

2666664041 is a wasteful number, since it uses less digits than its factorization.

2666664041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28388 (or 28369 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The square root of 2666664041 is about 51639.7525265178. The cubic root of 2666664041 is about 1386.7220935672.

The spelling of 2666664041 in words is "two billion, six hundred sixty-six million, six hundred sixty-four thousand, forty-one".