2660502005 has 16 divisors (see below), whose sum is σ = 3652318080. Its totient is φ = 1822529472.

The previous prime is 2660502001. The next prime is 2660502011. The reversal of 2660502005 is 5002050662.

It is a happy number.

2660502005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2660502005 - 2² = 2660502001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660502001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1634 + ... + 72963.

It is an arithmetic number, because the mean of its divisors is an integer number (228269880).

Almost surely, 2^2660502005 is an apocalyptic number.

It is an amenable number.

2660502005 is a deficient number, since it is larger than the sum of its proper divisors (991816075).

2660502005 is a wasteful number, since it uses less digits than its factorization.

2660502005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75628.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2660502005 is about 51580.0543330462. The cubic root of 2660502005 is about 1385.6531397921.

Adding to 2660502005 its reverse (5002050662), we get a palindrome (7662552667).

The spelling of 2660502005 in words is "two billion, six hundred sixty million, five hundred two thousand, five".