6706718700663 has 16 divisors (see below), whose sum is σ = 9206388414080. Its totient is φ = 4340373224544.

The previous prime is 6706718700653. The next prime is 6706718700677. The reversal of 6706718700663 is 3660078176076.

It is a happy number.

It is not a de Polignac number, because 6706718700663 - 2³³ = 6698128766071 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 (6706718700623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159457708 + ... + 159499761.

It is an arithmetic number, because the mean of its divisors is an integer number (575399275880).

Almost surely, 2^{6706718700663} is an apocalyptic number.

6706718700663 is a deficient number, since it is larger than the sum of its proper divisors (2499669713417).

6706718700663 is a wasteful number, since it uses less digits than its factorization.

6706718700663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318957678.

The product of its (nonzero) digits is 10668672, while the sum is 57.

The spelling of 6706718700663 in words is "six trillion, seven hundred six billion, seven hundred eighteen million, seven hundred thousand, six hundred sixty-three".