66037585107 has 32 divisors (see below), whose sum is σ = 95374424320. Its totient is φ = 40402696320.

The previous prime is 66037585091. The next prime is 66037585147. The reversal of 66037585107 is 70158573066.

It is not a de Polignac number, because 66037585107 - 2⁴ = 66037585091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66037585147) 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 31 ways as a sum of consecutive naturals, for example, 8793048 + ... + 8800554.

It is an arithmetic number, because the mean of its divisors is an integer number (2980450760).

Almost surely, 2^66037585107 is an apocalyptic number.

66037585107 is a deficient number, since it is larger than the sum of its proper divisors (29336839213).

66037585107 is a wasteful number, since it uses less digits than its factorization.

66037585107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8803.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 66037585107 in words is "sixty-six billion, thirty-seven million, five hundred eighty-five thousand, one hundred seven".