216541006 has 8 divisors (see below), whose sum is σ = 354339864. Its totient is φ = 98427720.

The previous prime is 216541001. The next prime is 216541027. The reversal of 216541006 is 600145612.

216541006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216541001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4921365 + ... + 4921408.

It is an arithmetic number, because the mean of its divisors is an integer number (44292483).

Almost surely, 2^216541006 is an apocalyptic number.

216541006 is a deficient number, since it is larger than the sum of its proper divisors (137798858).

216541006 is a wasteful number, since it uses less digits than its factorization.

216541006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9842786.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 216541006 is about 14715.3323441912. The cubic root of 216541006 is about 600.5005138419.

Adding to 216541006 its reverse (600145612), we get a palindrome (816686618).

The spelling of 216541006 in words is "two hundred sixteen million, five hundred forty-one thousand, six".