6660295215793 has 2 divisors, whose sum is σ = 6660295215794. Its totient is φ = 6660295215792.

The previous prime is 6660295215787. The next prime is 6660295215811. The reversal of 6660295215793 is 3975125920666.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6660286047009 + 9168784 = 2580753^2 + 3028^2 .

It is a cyclic number.

It is not a de Polignac number, because 6660295215793 - 2³³ = 6651705281201 is a prime.

It is not a weakly prime, because it can be changed into another prime (6660295215713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3330147607896 + 3330147607897.

It is an arithmetic number, because the mean of its divisors is an integer number (3330147607897).

Almost surely, 2^{6660295215793} is an apocalyptic number.

It is an amenable number.

6660295215793 is a deficient number, since it is larger than the sum of its proper divisors (1).

6660295215793 is an equidigital number, since it uses as much as digits as its factorization.

6660295215793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36741600, while the sum is 61.

The spelling of 6660295215793 in words is "six trillion, six hundred sixty billion, two hundred ninety-five million, two hundred fifteen thousand, seven hundred ninety-three".