66682644110 has 8 divisors (see below), whose sum is σ = 120028759416. Its totient is φ = 26673057640.

The previous prime is 66682644103. The next prime is 66682644163. The reversal of 66682644110 is 1144628666.

66682644110 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 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, 3334132196 + ... + 3334132215.

It is an arithmetic number, because the mean of its divisors is an integer number (15003594927).

Almost surely, 2^66682644110 is an apocalyptic number.

66682644110 is a deficient number, since it is larger than the sum of its proper divisors (53346115306).

66682644110 is a wasteful number, since it uses less digits than its factorization.

66682644110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6668264418.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 66682644110 in words is "sixty-six billion, six hundred eighty-two million, six hundred forty-four thousand, one hundred ten".