2660253505 has 48 divisors (see below), whose sum is σ = 4001287680. Its totient is φ = 1662246144.

The previous prime is 2660253481. The next prime is 2660253511. The reversal of 2660253505 is 5053520662.

It is not a de Polignac number, because 2660253505 - 2⁹ = 2660252993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 464439 + ... + 470131.

It is an arithmetic number, because the mean of its divisors is an integer number (83360160).

Almost surely, 2^2660253505 is an apocalyptic number.

It is an amenable number.

2660253505 is a deficient number, since it is larger than the sum of its proper divisors (1341034175).

2660253505 is a wasteful number, since it uses less digits than its factorization.

2660253505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810 (or 5797 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 2660253505 is about 51577.6453999211. The cubic root of 2660253505 is about 1385.6099968658.

The spelling of 2660253505 in words is "two billion, six hundred sixty million, two hundred fifty-three thousand, five hundred five".