8216996128 has 24 divisors (see below), whose sum is σ = 17647867440. Its totient is φ = 3734998080.

The previous prime is 8216996113. The next prime is 8216996129.

8216996128 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (8216996129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11671518 + ... + 11672221.

It is an arithmetic number, because the mean of its divisors is an integer number (735327810).

Almost surely, 2^8216996128 is an apocalyptic number.

8216996128 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8216996128 is an abundant number, since it is smaller than the sum of its proper divisors (9430871312).

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

8216996128 is a wasteful number, since it uses less digits than its factorization.

8216996128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23343760 (or 23343752 counting only the distinct ones).

The product of its digits is 746496, while the sum is 52.

The square root of 8216996128 is about 90647.6482210101. The cubic root of 8216996128 is about 2017.9219331193.

The spelling of 8216996128 in words is "eight billion, two hundred sixteen million, nine hundred ninety-six thousand, one hundred twenty-eight".