9694396656 has 160 divisors (see below), whose sum is σ = 31847961600. Its totient is φ = 2765802240.

The previous prime is 9694396637. The next prime is 9694396667. The reversal of 9694396656 is 6566934969.

9694396656 is a `hidden beast` number, since 96 + 9 + 439 + 66 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 9694396593 and 9694396602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2535226 + ... + 2539046.

It is an arithmetic number, because the mean of its divisors is an integer number (199049760).

Almost surely, 2^9694396656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9694396656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15923980800).

9694396656 is an abundant number, since it is smaller than the sum of its proper divisors (22153564944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9694396656 is a wasteful number, since it uses less digits than its factorization.

9694396656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4684 (or 4672 counting only the distinct ones).

The product of its digits is 56687040, while the sum is 63.

The square root of 9694396656 is about 98460.1272394059. The cubic root of 9694396656 is about 2132.2605003733.

The spelling of 9694396656 in words is "nine billion, six hundred ninety-four million, three hundred ninety-six thousand, six hundred fifty-six".