6660245042163 has 24 divisors (see below), whose sum is σ = 9645927418400. Its totient is φ = 4428364846464.

The previous prime is 6660245042137. The next prime is 6660245042219. The reversal of 6660245042163 is 3612405420666.

It is a happy number.

6660245042163 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6660245042163 - 2¹² = 6660245038067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6660245042863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17327781 + ... + 17707977.

Almost surely, 2^{6660245042163} is an apocalyptic number.

6660245042163 is a deficient number, since it is larger than the sum of its proper divisors (2985682376237).

6660245042163 is a wasteful number, since it uses less digits than its factorization.

6660245042163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385371 (or 385368 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 6660245042163 in words is "six trillion, six hundred sixty billion, two hundred forty-five million, forty-two thousand, one hundred sixty-three".