2660355005 has 24 divisors (see below), whose sum is σ = 4010326656. Its totient is φ = 1658400480.

The previous prime is 2660354999. The next prime is 2660355013. The reversal of 2660355005 is 5005530662.

It is not a de Polignac number, because 2660355005 - 2¹⁴ = 2660338621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309857 + ... + 318326.

It is an arithmetic number, because the mean of its divisors is an integer number (167096944).

Almost surely, 2^2660355005 is an apocalyptic number.

It is an amenable number.

2660355005 is a deficient number, since it is larger than the sum of its proper divisors (1349971651).

2660355005 is a wasteful number, since it uses less digits than its factorization.

2660355005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628217 (or 628206 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 2660355005 is about 51578.6293439444. The cubic root of 2660355005 is about 1385.6276189490.

Adding to 2660355005 its reverse (5005530662), we get a palindrome (7665885667).

The spelling of 2660355005 in words is "two billion, six hundred sixty million, three hundred fifty-five thousand, five".