66285718 has 8 divisors (see below), whose sum is σ = 104661720. Its totient is φ = 31398480.

The previous prime is 66285707. The next prime is 66285721. The reversal of 66285718 is 81758266.

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, 872143 + ... + 872218.

It is an arithmetic number, because the mean of its divisors is an integer number (13082715).

Almost surely, 2^66285718 is an apocalyptic number.

66285718 is a deficient number, since it is larger than the sum of its proper divisors (38376002).

66285718 is a wasteful number, since it uses less digits than its factorization.

66285718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744382.

The product of its digits is 161280, while the sum is 43.

The square root of 66285718 is about 8141.6041416910. The cubic root of 66285718 is about 404.7063216690.

The spelling of 66285718 in words is "sixty-six million, two hundred eighty-five thousand, seven hundred eighteen".