2666095917 has 8 divisors (see below), whose sum is σ = 3557172000. Its totient is φ = 1776208560.

The previous prime is 2666095877. The next prime is 2666095921. The reversal of 2666095917 is 7195906662.

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

It is not a de Polignac number, because 2666095917 - 2⁸ = 2666095661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2666095917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666095217) 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, 291934 + ... + 300927.

It is an arithmetic number, because the mean of its divisors is an integer number (444646500).

Almost surely, 2^2666095917 is an apocalyptic number.

It is an amenable number.

2666095917 is a deficient number, since it is larger than the sum of its proper divisors (891076083).

2666095917 is a wasteful number, since it uses less digits than its factorization.

2666095917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594363.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The square root of 2666095917 is about 51634.2513938180. The cubic root of 2666095917 is about 1386.6236077131.

The spelling of 2666095917 in words is "two billion, six hundred sixty-six million, ninety-five thousand, nine hundred seventeen".