2660756457683 has 4 divisors (see below), whose sum is σ = 2660762782608. Its totient is φ = 2660750132760.

The previous prime is 2660756457649. The next prime is 2660756457719. The reversal of 2660756457683 is 3867546570662.

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 2660756457683 - 2²⁰ = 2660755409107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2660756457283) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2482748 + ... + 3389033.

It is an arithmetic number, because the mean of its divisors is an integer number (665190695652).

Almost surely, 2^{2660756457683} is an apocalyptic number.

2660756457683 is a deficient number, since it is larger than the sum of its proper divisors (6324925).

2660756457683 is an equidigital number, since it uses as much as digits as its factorization.

2660756457683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6324924.

The product of its (nonzero) digits is 304819200, while the sum is 65.

The spelling of 2660756457683 in words is "two trillion, six hundred sixty billion, seven hundred fifty-six million, four hundred fifty-seven thousand, six hundred eighty-three".