66115006 has 16 divisors (see below), whose sum is σ = 106094016. Its totient is φ = 30790656.

The previous prime is 66114977. The next prime is 66115013. The reversal of 66115006 is 60051166.

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, 6726 + ... + 13321.

It is an arithmetic number, because the mean of its divisors is an integer number (6630876).

Almost surely, 2^66115006 is an apocalyptic number.

66115006 is a deficient number, since it is larger than the sum of its proper divisors (39979010).

66115006 is a wasteful number, since it uses less digits than its factorization.

66115006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20163.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 66115006 is about 8131.1134538881. The cubic root of 66115006 is about 404.3585965857.

The spelling of 66115006 in words is "sixty-six million, one hundred fifteen thousand, six".