66313117214 has 4 divisors (see below), whose sum is σ = 99469675824. Its totient is φ = 33156558606.

The previous prime is 66313117193. The next prime is 66313117243. The reversal of 66313117214 is 41271131366.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16578279302 + ... + 16578279305.

It is an arithmetic number, because the mean of its divisors is an integer number (24867418956).

Almost surely, 2^66313117214 is an apocalyptic number.

66313117214 is a deficient number, since it is larger than the sum of its proper divisors (33156558610).

66313117214 is a wasteful number, since it uses less digits than its factorization.

66313117214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33156558609.

The product of its digits is 18144, while the sum is 35.

The spelling of 66313117214 in words is "sixty-six billion, three hundred thirteen million, one hundred seventeen thousand, two hundred fourteen".