66438896314 has 8 divisors (see below), whose sum is σ = 113895250848. Its totient is φ = 28473812700.

The previous prime is 66438896281. The next prime is 66438896389. The reversal of 66438896314 is 41369883466.

It is a happy number.

66438896314 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 2372817712 + ... + 2372817739.

It is an arithmetic number, because the mean of its divisors is an integer number (14236906356).

Almost surely, 2^66438896314 is an apocalyptic number.

66438896314 is a deficient number, since it is larger than the sum of its proper divisors (47456354534).

66438896314 is a wasteful number, since it uses less digits than its factorization.

66438896314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745635460.

The product of its digits is 17915904, while the sum is 58.

The spelling of 66438896314 in words is "sixty-six billion, four hundred thirty-eight million, eight hundred ninety-six thousand, three hundred fourteen".