8626566416 has 120 divisors (see below), whose sum is σ = 18824420160. Its totient is φ = 3806542080.

The previous prime is 8626566413. The next prime is 8626566433. The reversal of 8626566416 is 6146656268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8626566413) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 20588255 + ... + 20588673.

It is an arithmetic number, because the mean of its divisors is an integer number (156870168).

Almost surely, 2^8626566416 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 8626566416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9412210080).

8626566416 is an abundant number, since it is smaller than the sum of its proper divisors (10197853744).

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

8626566416 is a wasteful number, since it uses less digits than its factorization.

8626566416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 568 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 50.

The square root of 8626566416 is about 92879.3110224231. The cubic root of 8626566416 is about 2050.9071072588.

The spelling of 8626566416 in words is "eight billion, six hundred twenty-six million, five hundred sixty-six thousand, four hundred sixteen".