66411041035606 has 64 divisors (see below), whose sum is σ = 102733104225024. Its totient is φ = 32182211174400.

The previous prime is 66411041035597. The next prime is 66411041035639. The reversal of 66411041035606 is 60653014011466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8495715810 + ... + 8495723626.

It is an arithmetic number, because the mean of its divisors is an integer number (1605204753516).

Almost surely, 2^{66411041035606} is an apocalyptic number.

66411041035606 is a deficient number, since it is larger than the sum of its proper divisors (36322063189418).

66411041035606 is a wasteful number, since it uses less digits than its factorization.

66411041035606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10105.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 66411041035606 in words is "sixty-six trillion, four hundred eleven billion, forty-one million, thirty-five thousand, six hundred six".