6966636128 has 48 divisors (see below), whose sum is σ = 14273794080. Its totient is φ = 3342990336.

The previous prime is 6966636097. The next prime is 6966636151. The reversal of 6966636128 is 8216366696.

It is a self number, because there is not a number n which added to its sum of digits gives 6966636128.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132500 + ... + 177452.

It is an arithmetic number, because the mean of its divisors is an integer number (297370710).

Almost surely, 2^6966636128 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 6966636128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7136897040).

6966636128 is an abundant number, since it is smaller than the sum of its proper divisors (7307157952).

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

6966636128 is a wasteful number, since it uses less digits than its factorization.

6966636128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45159 (or 45151 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 53.

The square root of 6966636128 is about 83466.3772305951. The cubic root of 6966636128 is about 1909.8871609005.

The spelling of 6966636128 in words is "six billion, nine hundred sixty-six million, six hundred thirty-six thousand, one hundred twenty-eight".