216330196 has 6 divisors (see below), whose sum is σ = 378577850. Its totient is φ = 108165096.

The previous prime is 216330187. The next prime is 216330199. The reversal of 216330196 is 691033612.

It can be written as a sum of positive squares in only one way, i.e., 161036100 + 55294096 = 12690^2 + 7436^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216330199) by changing a digit.

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 as a sum of consecutive naturals, namely, 27041271 + ... + 27041278.

Almost surely, 2^216330196 is an apocalyptic number.

It is an amenable number.

216330196 is a deficient number, since it is larger than the sum of its proper divisors (162247654).

216330196 is a wasteful number, since it uses less digits than its factorization.

216330196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54082553 (or 54082551 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 216330196 is about 14708.1676629008. The cubic root of 216330196 is about 600.3055813773.

The spelling of 216330196 in words is "two hundred sixteen million, three hundred thirty thousand, one hundred ninety-six".