66075317280159 has 8 divisors (see below), whose sum is σ = 96109552407552. Its totient is φ = 40045646836440.

The previous prime is 66075317280151. The next prime is 66075317280169. The reversal of 66075317280159 is 95108271357066.

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

It is not a de Polignac number, because 66075317280159 - 2³ = 66075317280151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66075317280151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001141170879 + ... + 1001141170944.

It is an arithmetic number, because the mean of its divisors is an integer number (12013694050944).

Almost surely, 2^{66075317280159} is an apocalyptic number.

66075317280159 is a deficient number, since it is larger than the sum of its proper divisors (30034235127393).

66075317280159 is a wasteful number, since it uses less digits than its factorization.

66075317280159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002282341837.

The product of its (nonzero) digits is 19051200, while the sum is 60.

The spelling of 66075317280159 in words is "sixty-six trillion, seventy-five billion, three hundred seventeen million, two hundred eighty thousand, one hundred fifty-nine".