66560713017064 has 64 divisors (see below), whose sum is σ = 147239919820800. Its totient is φ = 27604166385600.

The previous prime is 66560713017047. The next prime is 66560713017103. The reversal of 66560713017064 is 46071031706566.

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, 27949719 + ... + 30237529.

It is an arithmetic number, because the mean of its divisors is an integer number (2300623747200).

Almost surely, 2^{66560713017064} is an apocalyptic number.

It is an amenable number.

66560713017064 is an abundant number, since it is smaller than the sum of its proper divisors (80679206803736).

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

66560713017064 is a wasteful number, since it uses less digits than its factorization.

66560713017064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304614 (or 2304610 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 66560713017064 in words is "sixty-six trillion, five hundred sixty billion, seven hundred thirteen million, seventeen thousand, sixty-four".