8216960696128 has 84 divisors (see below), whose sum is σ = 17445718504480. Its totient is φ = 3838985091072.

The previous prime is 8216960696117. The next prime is 8216960696137.

8216960696128 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a self number, because there is not a number n which added to its sum of digits gives 8216960696128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 972901 + ... + 4168987.

Almost surely, 2^{8216960696128} 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 8216960696128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8722859252240).

8216960696128 is an abundant number, since it is smaller than the sum of its proper divisors (9228757808352).

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

8216960696128 is a wasteful number, since it uses less digits than its factorization.

8216960696128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196272 (or 3196245 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 64.

The spelling of 8216960696128 in words is "eight trillion, two hundred sixteen billion, nine hundred sixty million, six hundred ninety-six thousand, one hundred twenty-eight".