716716617616 has 40 divisors (see below), whose sum is σ = 1393561476000. Its totient is φ = 357090090240.

The previous prime is 716716617607. The next prime is 716716617619. The reversal of 716716617616 is 616716617617.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (716716617619) 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 7 ways as a sum of consecutive naturals, for example, 5090535 + ... + 5229433.

It is an arithmetic number, because the mean of its divisors is an integer number (34839036900).

Almost surely, 2^716716617616 is an apocalyptic number.

It is an amenable number.

716716617616 is a deficient number, since it is larger than the sum of its proper divisors (676844858384).

716716617616 is a wasteful number, since it uses less digits than its factorization.

716716617616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140047 (or 140041 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 55.

Subtracting from 716716617616 its reverse (616716617617), we obtain a palindrome (99999999999).

The spelling of 716716617616 in words is "seven hundred sixteen billion, seven hundred sixteen million, six hundred seventeen thousand, six hundred sixteen".