41578950665 has 16 divisors (see below), whose sum is σ = 57116531712. Its totient is φ = 28464295104.

The previous prime is 41578950641. The next prime is 41578950697. The reversal of 41578950665 is 56605987514.

It is not a de Polignac number, because 41578950665 - 2²⁰ = 41577902089 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41578950665.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 957314 + ... + 999803.

It is an arithmetic number, because the mean of its divisors is an integer number (3569783232).

Almost surely, 2^41578950665 is an apocalyptic number.

It is an amenable number.

41578950665 is a deficient number, since it is larger than the sum of its proper divisors (15537581047).

41578950665 is a wasteful number, since it uses less digits than its factorization.

41578950665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957736.

The product of its (nonzero) digits is 9072000, while the sum is 56.

The spelling of 41578950665 in words is "forty-one billion, five hundred seventy-eight million, nine hundred fifty thousand, six hundred sixty-five".