66700117107 has 12 divisors (see below), whose sum is σ = 103755737904. Its totient is φ = 41046225840.

The previous prime is 66700117103. The next prime is 66700117109. The reversal of 66700117107 is 70171100766.

66700117107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66700117107 - 2² = 66700117103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66700117103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 285043119 + ... + 285043352.

It is an arithmetic number, because the mean of its divisors is an integer number (8646311492).

Almost surely, 2^66700117107 is an apocalyptic number.

66700117107 is a deficient number, since it is larger than the sum of its proper divisors (37055620797).

66700117107 is a wasteful number, since it uses less digits than its factorization.

66700117107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570086490 (or 570086487 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 36.

The spelling of 66700117107 in words is "sixty-six billion, seven hundred million, one hundred seventeen thousand, one hundred seven".