41020687666 has 16 divisors (see below), whose sum is σ = 70331849280. Its totient is φ = 17577627120.

The previous prime is 41020687661. The next prime is 41020687711. The reversal of 41020687666 is 66678602014.

It is not an unprimeable number, because it can be changed into a prime (41020687661) 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, 125281 + ... + 312628.

It is an arithmetic number, because the mean of its divisors is an integer number (4395740580).

Almost surely, 2^41020687666 is an apocalyptic number.

41020687666 is a deficient number, since it is larger than the sum of its proper divisors (29311161614).

41020687666 is a wasteful number, since it uses less digits than its factorization.

41020687666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444609.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 41020687666 in words is "forty-one billion, twenty million, six hundred eighty-seven thousand, six hundred sixty-six".