66006017 has 8 divisors (see below), whose sum is σ = 82293312. Its totient is φ = 51433200.

The previous prime is 66006013. The next prime is 66006047. The reversal of 66006017 is 71060066.

66006017 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 not a de Polignac number, because 66006017 - 2² = 66006013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66006013) 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 7 ways as a sum of consecutive naturals, for example, 428534 + ... + 428687.

It is an arithmetic number, because the mean of its divisors is an integer number (10286664).

Almost surely, 2^66006017 is an apocalyptic number.

It is an amenable number.

66006017 is a deficient number, since it is larger than the sum of its proper divisors (16287295).

66006017 is a wasteful number, since it uses less digits than its factorization.

66006017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857239.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 66006017 is about 8124.4087169467. The cubic root of 66006017 is about 404.1362825684.

The spelling of 66006017 in words is "sixty-six million, six thousand, seventeen".