66674140014 has 8 divisors (see below), whose sum is σ = 133348280040. Its totient is φ = 22224713336.

The previous prime is 66674139947. The next prime is 66674140067. The reversal of 66674140014 is 41004147666.

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

66674140014 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5556178329 + ... + 5556178340.

It is an arithmetic number, because the mean of its divisors is an integer number (16668535005).

Almost surely, 2^66674140014 is an apocalyptic number.

66674140014 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66674140014 is a wasteful number, since it uses less digits than its factorization.

66674140014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11112356674.

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 66674140014 in words is "sixty-six billion, six hundred seventy-four million, one hundred forty thousand, fourteen".