8068648660 has 24 divisors (see below), whose sum is σ = 16945850376. Its totient is φ = 3227137920.

The previous prime is 8068648639. The next prime is 8068648697. The reversal of 8068648660 is 668468608.

It can be written as a sum of positive squares in 4 ways, for example, as 5030213776 + 3038434884 = 70924^2 + 55122^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8068648598 and 8068648607.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 378034 + ... + 398806.

It is an arithmetic number, because the mean of its divisors is an integer number (706077099).

Almost surely, 2^8068648660 is an apocalyptic number.

It is an amenable number.

8068648660 is an abundant number, since it is smaller than the sum of its proper divisors (8877201716).

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

8068648660 is a wasteful number, since it uses less digits than its factorization.

8068648660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40203 (or 40201 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 52.

The square root of 8068648660 is about 89825.6570251507. The cubic root of 8068648660 is about 2005.7044359034.

The spelling of 8068648660 in words is "eight billion, sixty-eight million, six hundred forty-eight thousand, six hundred sixty".