66070020171014 has 8 divisors (see below), whose sum is σ = 100014250717920. Its totient is φ = 32731936598376.

The previous prime is 66070020171013. The next prime is 66070020171049. The reversal of 66070020171014 is 41017102007066.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66070020171011) 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 3 ways as a sum of consecutive naturals, for example, 151536743294 + ... + 151536743729.

It is an arithmetic number, because the mean of its divisors is an integer number (12501781339740).

Almost surely, 2^{66070020171014} is an apocalyptic number.

66070020171014 is a deficient number, since it is larger than the sum of its proper divisors (33944230546906).

66070020171014 is a wasteful number, since it uses less digits than its factorization.

66070020171014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303073487134.

The product of its (nonzero) digits is 14112, while the sum is 35.

The spelling of 66070020171014 in words is "sixty-six trillion, seventy billion, twenty million, one hundred seventy-one thousand, fourteen".