66027716 has 12 divisors (see below), whose sum is σ = 115787280. Its totient is φ = 32945640.

The previous prime is 66027713. The next prime is 66027719. The reversal of 66027716 is 61772066.

66027716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (66027713) and next prime (66027719).

It is not an unprimeable number, because it can be changed into a prime (66027713) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14846 + ... + 18773.

It is an arithmetic number, because the mean of its divisors is an integer number (9648940).

Almost surely, 2^66027716 is an apocalyptic number.

It is an amenable number.

66027716 is a deficient number, since it is larger than the sum of its proper divisors (49759564).

66027716 is a wasteful number, since it uses less digits than its factorization.

66027716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34114 (or 34112 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 66027716 is about 8125.7440274722. The cubic root of 66027716 is about 404.1805633417.

The spelling of 66027716 in words is "sixty-six million, twenty-seven thousand, seven hundred sixteen".