66611060307 has 24 divisors (see below), whose sum is σ = 105413403888. Its totient is φ = 40197062400.

The previous prime is 66611060293. The next prime is 66611060317. The reversal of 66611060307 is 70306011666.

It is not a de Polignac number, because 66611060307 - 2⁴ = 66611060291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66611060317) 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 23 ways as a sum of consecutive naturals, for example, 1420794 + ... + 1466927.

It is an arithmetic number, because the mean of its divisors is an integer number (4392225162).

Almost surely, 2^66611060307 is an apocalyptic number.

66611060307 is a deficient number, since it is larger than the sum of its proper divisors (38802343581).

66611060307 is a wasteful number, since it uses less digits than its factorization.

66611060307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887971 (or 2887968 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The spelling of 66611060307 in words is "sixty-six billion, six hundred eleven million, sixty thousand, three hundred seven".