8019265668 has 24 divisors (see below), whose sum is σ = 18948478080. Its totient is φ = 2639251680.

The previous prime is 8019265649. The next prime is 8019265669. The reversal of 8019265668 is 8665629108.

It is a self number, because there is not a number n which added to its sum of digits gives 8019265668.

It is not an unprimeable number, because it can be changed into a prime (8019265669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4228623 + ... + 4230518.

It is an arithmetic number, because the mean of its divisors is an integer number (789519920).

Almost surely, 2^8019265668 is an apocalyptic number.

It is an amenable number.

8019265668 is an abundant number, since it is smaller than the sum of its proper divisors (10929212412).

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

8019265668 is a wasteful number, since it uses less digits than its factorization.

8019265668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8459227 (or 8459225 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 8019265668 is about 89550.3526961229. The cubic root of 8019265668 is about 2001.6041852841.

The spelling of 8019265668 in words is "eight billion, nineteen million, two hundred sixty-five thousand, six hundred sixty-eight".