66085714 has 16 divisors (see below), whose sum is σ = 100465920. Its totient is φ = 32599600.

The previous prime is 66085697. The next prime is 66085729. The reversal of 66085714 is 41758066.

66085714 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96417 + ... + 97099.

It is an arithmetic number, because the mean of its divisors is an integer number (6279120).

Almost surely, 2^66085714 is an apocalyptic number.

66085714 is a deficient number, since it is larger than the sum of its proper divisors (34380206).

66085714 is a wasteful number, since it uses less digits than its factorization.

66085714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 66085714 is about 8129.3120250117. The cubic root of 66085714 is about 404.2988712556.

The spelling of 66085714 in words is "sixty-six million, eighty-five thousand, seven hundred fourteen".