66571166014 has 8 divisors (see below), whose sum is σ = 105730675488. Its totient is φ = 31327607520.

The previous prime is 66571165987. The next prime is 66571166059. The reversal of 66571166014 is 41066117566.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 978987702 + ... + 978987769.

It is an arithmetic number, because the mean of its divisors is an integer number (13216334436).

Almost surely, 2^66571166014 is an apocalyptic number.

66571166014 is a deficient number, since it is larger than the sum of its proper divisors (39159509474).

66571166014 is a wasteful number, since it uses less digits than its factorization.

66571166014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957975490.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 66571166014 in words is "sixty-six billion, five hundred seventy-one million, one hundred sixty-six thousand, fourteen".