411116666 has 8 divisors (see below), whose sum is σ = 618621300. Its totient is φ = 204909568.

The previous prime is 411116663. The next prime is 411116723. The reversal of 411116666 is 666611114.

It can be written as a sum of positive squares in 2 ways, for example, as 409860025 + 1256641 = 20245^2 + 1121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (411116663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323591 + ... + 324858.

Almost surely, 2^411116666 is an apocalyptic number.

411116666 is a deficient number, since it is larger than the sum of its proper divisors (207504634).

411116666 is a wasteful number, since it uses less digits than its factorization.

411116666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648768.

The product of its digits is 5184, while the sum is 32.

The square root of 411116666 is about 20276.0120832475. The cubic root of 411116666 is about 743.5697171396.

The spelling of 411116666 in words is "four hundred eleven million, one hundred sixteen thousand, six hundred sixty-six".