216567116 has 36 divisors (see below), whose sum is σ = 399376656. Its totient is φ = 102716640.

The previous prime is 216567107. The next prime is 216567121. The reversal of 216567116 is 611765612.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 203201 + ... + 204263.

It is an arithmetic number, because the mean of its divisors is an integer number (11093796).

Almost surely, 2^216567116 is an apocalyptic number.

It is an amenable number.

216567116 is a deficient number, since it is larger than the sum of its proper divisors (182809540).

216567116 is a wasteful number, since it uses less digits than its factorization.

216567116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182 (or 1149 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 216567116 is about 14716.2194873548. The cubic root of 216567116 is about 600.5246485136.

The spelling of 216567116 in words is "two hundred sixteen million, five hundred sixty-seven thousand, one hundred sixteen".