66283859020 has 24 divisors (see below), whose sum is σ = 139250185200. Its totient is φ = 26503242432.

The previous prime is 66283859003. The next prime is 66283859053. The reversal of 66283859020 is 2095838266.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590955 + ... + 694114.

It is an arithmetic number, because the mean of its divisors is an integer number (5802091050).

Almost surely, 2^66283859020 is an apocalyptic number.

It is an amenable number.

66283859020 is an abundant number, since it is smaller than the sum of its proper divisors (72966326180).

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

66283859020 is a wasteful number, since it uses less digits than its factorization.

66283859020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287657 (or 1287655 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 66283859020 in words is "sixty-six billion, two hundred eighty-three million, eight hundred fifty-nine thousand, twenty".