2660041791 has 72 divisors (see below), whose sum is σ = 4448036736. Its totient is φ = 1518310080.

The previous prime is 2660041789. The next prime is 2660041837. The reversal of 2660041791 is 1971400662.

2660041791 is a `hidden beast` number, since 2 + 6 + 600 + 41 + 7 + 9 + 1 = 666.

2660041791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2660041791 - 2¹ = 2660041789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660041291) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3579766 + ... + 3580508.

It is an arithmetic number, because the mean of its divisors is an integer number (61778288).

Almost surely, 2^2660041791 is an apocalyptic number.

2660041791 is a deficient number, since it is larger than the sum of its proper divisors (1787994945).

2660041791 is a wasteful number, since it uses less digits than its factorization.

2660041791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861 (or 829 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 2660041791 is about 51575.5929776866. The cubic root of 2660041791 is about 1385.5732383618.

The spelling of 2660041791 in words is "two billion, six hundred sixty million, forty-one thousand, seven hundred ninety-one".