416245666 has 8 divisors (see below), whose sum is σ = 624491244. Its totient is φ = 208081920.

The previous prime is 416245657. The next prime is 416245679. The reversal of 416245666 is 666542614.

It can be written as a sum of positive squares in 2 ways, for example, as 354230041 + 62015625 = 18821^2 + 7875^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5575 + ... + 29386.

Almost surely, 2^416245666 is an apocalyptic number.

416245666 is a deficient number, since it is larger than the sum of its proper divisors (208245578).

416245666 is a wasteful number, since it uses less digits than its factorization.

416245666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40916.

The product of its digits is 207360, while the sum is 40.

The square root of 416245666 is about 20402.0995488209. The cubic root of 416245666 is about 746.6491497361.

The spelling of 416245666 in words is "four hundred sixteen million, two hundred forty-five thousand, six hundred sixty-six".