216100346 has 16 divisors (see below), whose sum is σ = 404136000. Its totient is φ = 84194880.

The previous prime is 216100333. The next prime is 216100397. The reversal of 216100346 is 643001612.

It is a happy number.

216100346 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701471 + ... + 701778.

It is an arithmetic number, because the mean of its divisors is an integer number (25258500).

Almost surely, 2^216100346 is an apocalyptic number.

216100346 is a deficient number, since it is larger than the sum of its proper divisors (188035654).

216100346 is a wasteful number, since it uses less digits than its factorization.

216100346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403269.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 216100346 is about 14700.3519005499. The cubic root of 216100346 is about 600.0928985786.

Adding to 216100346 its reverse (643001612), we get a palindrome (859101958).

The spelling of 216100346 in words is "two hundred sixteen million, one hundred thousand, three hundred forty-six".