216227160 has 48 divisors (see below), whose sum is σ = 702739440. Its totient is φ = 57660480.

The previous prime is 216227147. The next prime is 216227183. The reversal of 216227160 is 61722612.

216227160 is a `hidden beast` number, since 21 + 622 + 7 + 16 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 299956 + ... + 300675.

It is an arithmetic number, because the mean of its divisors is an integer number (14640405).

Almost surely, 2^216227160 is an apocalyptic number.

216227160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216227160 is an abundant number, since it is smaller than the sum of its proper divisors (486512280).

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

216227160 is a wasteful number, since it uses less digits than its factorization.

216227160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600648 (or 600641 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 216227160 is about 14704.6645660484. The cubic root of 216227160 is about 600.2102596429.

Adding to 216227160 its reverse (61722612), we get a palindrome (277949772).

It can be divided in two parts, 21622 and 7160, that added together give a palindrome (28782).

The spelling of 216227160 in words is "two hundred sixteen million, two hundred twenty-seven thousand, one hundred sixty".