66328068060317 has 32 divisors (see below), whose sum is σ = 80001142932480. Its totient is φ = 53720030995200.

The previous prime is 66328068060299. The next prime is 66328068060343. The reversal of 66328068060317 is 71306086082366.

It is a cyclic number.

It is not a de Polignac number, because 66328068060317 - 2²⁰ = 66328067011741 is a prime.

It is a super-2 number, since 2×66328068060317² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66328068060377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 509105018 + ... + 509235284.

It is an arithmetic number, because the mean of its divisors is an integer number (2500035716640).

Almost surely, 2^{66328068060317} is an apocalyptic number.

It is an amenable number.

66328068060317 is a deficient number, since it is larger than the sum of its proper divisors (13673074872163).

66328068060317 is a wasteful number, since it uses less digits than its factorization.

66328068060317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140241.

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 66328068060317 in words is "sixty-six trillion, three hundred twenty-eight billion, sixty-eight million, sixty thousand, three hundred seventeen".