616908648717 has 56 divisors (see below), whose sum is σ = 930657427008. Its totient is φ = 408734553600.

The previous prime is 616908648701. The next prime is 616908648737. The reversal of 616908648717 is 717846809616.

616908648717 is a `hidden beast` number, since 6 + 1 + 69 + 0 + 86 + 487 + 17 = 666.

It is not a de Polignac number, because 616908648717 - 2⁴ = 616908648701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616908648737) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 221033592 + ... + 221036382.

Almost surely, 2^616908648717 is an apocalyptic number.

It is an amenable number.

616908648717 is a deficient number, since it is larger than the sum of its proper divisors (313748778291).

616908648717 is a wasteful number, since it uses less digits than its factorization.

616908648717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4573 (or 4558 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

It can be divided in two parts, 616908 and 648717, that added together give a square (1265625 = 1125²).

The spelling of 616908648717 in words is "six hundred sixteen billion, nine hundred eight million, six hundred forty-eight thousand, seven hundred seventeen".