216363332 has 6 divisors (see below), whose sum is σ = 378635838. Its totient is φ = 108181664.

The previous prime is 216363289. The next prime is 216363337. The reversal of 216363332 is 233363612.

It can be written as a sum of positive squares in only one way, i.e., 177848896 + 38514436 = 13336^2 + 6206^2 .

It is a junction number, because it is equal to n+sod(n) for n = 216363295 and 216363304.

It is not an unprimeable number, because it can be changed into a prime (216363337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27045413 + ... + 27045420.

It is an arithmetic number, because the mean of its divisors is an integer number (63105973).

Almost surely, 2^216363332 is an apocalyptic number.

It is an amenable number.

216363332 is a deficient number, since it is larger than the sum of its proper divisors (162272506).

216363332 is a wasteful number, since it uses less digits than its factorization.

216363332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54090837 (or 54090835 counting only the distinct ones).

The product of its digits is 11664, while the sum is 29.

The square root of 216363332 is about 14709.2940687172. The cubic root of 216363332 is about 600.3362300656.

The spelling of 216363332 in words is "two hundred sixteen million, three hundred sixty-three thousand, three hundred thirty-two".