216412006 has 8 divisors (see below), whose sum is σ = 343713240. Its totient is φ = 101840928.

The previous prime is 216411997. The next prime is 216412013. The reversal of 216412006 is 600214612.

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

It is a congruent number.

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, 3182496 + ... + 3182563.

It is an arithmetic number, because the mean of its divisors is an integer number (42964155).

Almost surely, 2^216412006 is an apocalyptic number.

216412006 is a deficient number, since it is larger than the sum of its proper divisors (127301234).

216412006 is a wasteful number, since it uses less digits than its factorization.

216412006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6365078.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 216412006 is about 14710.9485078291. The cubic root of 216412006 is about 600.3812447398.

Adding to 216412006 its reverse (600214612), we get a palindrome (816626618).

The spelling of 216412006 in words is "two hundred sixteen million, four hundred twelve thousand, six".