216326606 has 4 divisors (see below), whose sum is σ = 324489912. Its totient is φ = 108163302.

The previous prime is 216326599. The next prime is 216326611. The reversal of 216326606 is 606623612.

216326606 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54081650 + ... + 54081653.

It is an arithmetic number, because the mean of its divisors is an integer number (81122478).

Almost surely, 2^216326606 is an apocalyptic number.

216326606 is a deficient number, since it is larger than the sum of its proper divisors (108163306).

216326606 is a wasteful number, since it uses less digits than its factorization.

216326606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108163305.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 216326606 is about 14708.0456213598. The cubic root of 216326606 is about 600.3022606682.

The spelling of 216326606 in words is "two hundred sixteen million, three hundred twenty-six thousand, six hundred six".