66106100006 has 32 divisors (see below), whose sum is σ = 105320049120. Its totient is φ = 31011710976.

The previous prime is 66106099993. The next prime is 66106100051. The reversal of 66106100006 is 60000160166.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 31643810 + ... + 31645898.

It is an arithmetic number, because the mean of its divisors is an integer number (3291251535).

Almost surely, 2^66106100006 is an apocalyptic number.

66106100006 is a deficient number, since it is larger than the sum of its proper divisors (39213949114).

66106100006 is a wasteful number, since it uses less digits than its factorization.

66106100006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 66106100006 in words is "sixty-six billion, one hundred six million, one hundred thousand, six".