66328070067020 has 48 divisors (see below), whose sum is σ = 140703115912128. Its totient is φ = 26261993529600.

The previous prime is 66328070066969. The next prime is 66328070067037. The reversal of 66328070067020 is 2076007082366.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4015097 + ... + 12197423.

It is an arithmetic number, because the mean of its divisors is an integer number (2931314914836).

Almost surely, 2^{66328070067020} is an apocalyptic number.

It is an amenable number.

66328070067020 is an abundant number, since it is smaller than the sum of its proper divisors (74375045845108).

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

66328070067020 is a wasteful number, since it uses less digits than its factorization.

66328070067020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8186450 (or 8186448 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 66328070067020 in words is "sixty-six trillion, three hundred twenty-eight billion, seventy million, sixty-seven thousand, twenty".