8066913856 has 63 divisors (see below), whose sum is σ = 16314367041. Its totient is φ = 3957652224.

The previous prime is 8066913817. The next prime is 8066913859. The reversal of 8066913856 is 6583196608.

The square root of 8066913856 is 89816.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5622600256 + 2444313600 = 74984^2 + 49440^2 .

It is a super-3 number, since 3×8066913856³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8066913859) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 74008330 + ... + 74008438.

It is an arithmetic number, because the mean of its divisors is an integer number (258958207).

Almost surely, 2^8066913856 is an apocalyptic number.

8066913856 is the 89816-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8066913856

8066913856 is an abundant number, since it is smaller than the sum of its proper divisors (8247453185).

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

8066913856 is an equidigital number, since it uses as much as digits as its factorization.

8066913856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 52.

The cubic root of 8066913856 is about 2005.5606797584.

The spelling of 8066913856 in words is "eight billion, sixty-six million, nine hundred thirteen thousand, eight hundred fifty-six".