66271006 has 16 divisors (see below), whose sum is σ = 103235328. Its totient is φ = 31881600.

The previous prime is 66270979. The next prime is 66271039. The reversal of 66271006 is 60017266.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451 + ... + 11521.

It is an arithmetic number, because the mean of its divisors is an integer number (6452208).

Almost surely, 2^66271006 is an apocalyptic number.

66271006 is a deficient number, since it is larger than the sum of its proper divisors (36964322).

66271006 is a wasteful number, since it uses less digits than its factorization.

66271006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11187.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 66271006 is about 8140.7005841021. The cubic root of 66271006 is about 404.6763781652.

The spelling of 66271006 in words is "sixty-six million, two hundred seventy-one thousand, six".