66700373707 has 8 divisors (see below), whose sum is σ = 72768150000. Its totient is φ = 60633281760.

The previous prime is 66700373687. The next prime is 66700373713. The reversal of 66700373707 is 70737300766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66700373707 - 2¹¹ = 66700371659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66700373797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44533 + ... + 367945.

It is an arithmetic number, because the mean of its divisors is an integer number (9096018750).

Almost surely, 2^66700373707 is an apocalyptic number.

66700373707 is a deficient number, since it is larger than the sum of its proper divisors (6067776293).

66700373707 is a wasteful number, since it uses less digits than its factorization.

66700373707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342173.

The product of its (nonzero) digits is 777924, while the sum is 46.

The spelling of 66700373707 in words is "sixty-six billion, seven hundred million, three hundred seventy-three thousand, seven hundred seven".