216109132 has 12 divisors (see below), whose sum is σ = 379844080. Its totient is φ = 107582256.

The previous prime is 216109121. The next prime is 216109147. The reversal of 216109132 is 231901612.

It is a junction number, because it is equal to n+sod(n) for n = 216109097 and 216109106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117048 + ... + 118879.

Almost surely, 2^216109132 is an apocalyptic number.

It is an amenable number.

216109132 is a deficient number, since it is larger than the sum of its proper divisors (163734948).

216109132 is a wasteful number, since it uses less digits than its factorization.

216109132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236160 (or 236158 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 216109132 is about 14700.6507338961. The cubic root of 216109132 is about 600.1010311350.

The spelling of 216109132 in words is "two hundred sixteen million, one hundred nine thousand, one hundred thirty-two".