216365116 has 24 divisors (see below), whose sum is σ = 418884480. Its totient is φ = 96961200.

The previous prime is 216365113. The next prime is 216365119. The reversal of 216365116 is 611563612.

It is an interprime number because it is at equal distance from previous prime (216365113) and next prime (216365119).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216365113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31506 + ... + 37753.

It is an arithmetic number, because the mean of its divisors is an integer number (17453520).

Almost surely, 2^216365116 is an apocalyptic number.

It is an amenable number.

216365116 is a deficient number, since it is larger than the sum of its proper divisors (202519364).

216365116 is a wasteful number, since it uses less digits than its factorization.

216365116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69345 (or 69343 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 216365116 is about 14709.3547105235. The cubic root of 216365116 is about 600.3378800631.

The spelling of 216365116 in words is "two hundred sixteen million, three hundred sixty-five thousand, one hundred sixteen".