4068006656 has 54 divisors (see below), whose sum is σ = 9445886100. Its totient is φ = 1743426048.

The previous prime is 4068006643. The next prime is 4068006659. The reversal of 4068006656 is 6566008604.

It is not an unprimeable number, because it can be changed into a prime (4068006659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 149606 + ... + 174693.

Almost surely, 2^4068006656 is an apocalyptic number.

It is an amenable number.

4068006656 is an abundant number, since it is smaller than the sum of its proper divisors (5377879444).

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

4068006656 is an equidigital number, since it uses as much as digits as its factorization.

4068006656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324329 (or 324308 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 4068006656 is about 63780.9270550374. The cubic root of 4068006656 is about 1596.3466980477.

The spelling of 4068006656 in words is "four billion, sixty-eight million, six thousand, six hundred fifty-six".