216345106 has 8 divisors (see below), whose sum is σ = 324727920. Its totient is φ = 108102468.

The previous prime is 216345079. The next prime is 216345109. The reversal of 216345106 is 601543612.

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

It is not an unprimeable number, because it can be changed into a prime (216345109) 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, 31096 + ... + 37411.

It is an arithmetic number, because the mean of its divisors is an integer number (40590990).

Almost surely, 2^216345106 is an apocalyptic number.

216345106 is a deficient number, since it is larger than the sum of its proper divisors (108382814).

216345106 is a wasteful number, since it uses less digits than its factorization.

216345106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70088.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 216345106 is about 14708.6745154008. The cubic root of 216345106 is about 600.3193725644.

Adding to 216345106 its reverse (601543612), we get a palindrome (817888718).

The spelling of 216345106 in words is "two hundred sixteen million, three hundred forty-five thousand, one hundred six".