8551109216 has 24 divisors (see below), whose sum is σ = 18129996864. Its totient is φ = 3946665600.

The previous prime is 8551109213. The next prime is 8551109251. The reversal of 8551109216 is 6129011558.

It is a self number, because there is not a number n which added to its sum of digits gives 8551109216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8551109213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10277360 + ... + 10278191.

It is an arithmetic number, because the mean of its divisors is an integer number (755416536).

Almost surely, 2^8551109216 is an apocalyptic number.

It is an amenable number.

8551109216 is an abundant number, since it is smaller than the sum of its proper divisors (9578887648).

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

8551109216 is a wasteful number, since it uses less digits than its factorization.

8551109216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20555574 (or 20555566 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 38.

The square root of 8551109216 is about 92472.2078032097. The cubic root of 8551109216 is about 2044.9097758510.

The spelling of 8551109216 in words is "eight billion, five hundred fifty-one million, one hundred nine thousand, two hundred sixteen".