216236160 has 384 divisors, whose sum is σ = 885980160. Its totient is φ = 47554560.

The previous prime is 216236159. The next prime is 216236171. The reversal of 216236160 is 61632612.

216236160 is a `hidden beast` number, since 21 + 6 + 23 + 616 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1249834 + ... + 1250006.

It is an arithmetic number, because the mean of its divisors is an integer number (2307240).

Almost surely, 2^216236160 is an apocalyptic number.

216236160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216236160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442990080).

216236160 is an abundant number, since it is smaller than the sum of its proper divisors (669744000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216236160 is a wasteful number, since it uses less digits than its factorization.

216236160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 216236160 is about 14704.9705882059. The cubic root of 216236160 is about 600.2185870232.

Adding to 216236160 its reverse (61632612), we get a palindrome (277868772).

The spelling of 216236160 in words is "two hundred sixteen million, two hundred thirty-six thousand, one hundred sixty".