2660647307135 has 4 divisors (see below), whose sum is σ = 3192776768568. Its totient is φ = 2128517845704.

The previous prime is 2660647307117. The next prime is 2660647307137. The reversal of 2660647307135 is 5317037460662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2660647307135 - 2³⁸ = 2385769400191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660647307137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266064730709 + ... + 266064730718.

It is an arithmetic number, because the mean of its divisors is an integer number (798194192142).

Almost surely, 2^{2660647307135} is an apocalyptic number.

2660647307135 is a deficient number, since it is larger than the sum of its proper divisors (532129461433).

2660647307135 is an equidigital number, since it uses as much as digits as its factorization.

2660647307135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532129461432.

The product of its (nonzero) digits is 3810240, while the sum is 50.

The spelling of 2660647307135 in words is "two trillion, six hundred sixty billion, six hundred forty-seven million, three hundred seven thousand, one hundred thirty-five".