66620046248068 has 12 divisors (see below), whose sum is σ = 121653997496640. Its totient is φ = 31861761249032.

The previous prime is 66620046248003. The next prime is 66620046248069. The reversal of 66620046248068 is 86084264002666.

It is not an unprimeable number, because it can be changed into a prime (66620046248069) 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 3 ways as a sum of consecutive naturals, for example, 362065468648 + ... + 362065468831.

It is an arithmetic number, because the mean of its divisors is an integer number (10137833124720).

Almost surely, 2^{66620046248068} is an apocalyptic number.

It is an amenable number.

66620046248068 is a deficient number, since it is larger than the sum of its proper divisors (55033951248572).

66620046248068 is a wasteful number, since it uses less digits than its factorization.

66620046248068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724130937506 (or 724130937504 counting only the distinct ones).

The product of its (nonzero) digits is 31850496, while the sum is 58.

The spelling of 66620046248068 in words is "sixty-six trillion, six hundred twenty billion, forty-six million, two hundred forty-eight thousand, sixty-eight".