216463112 has 8 divisors (see below), whose sum is σ = 405868350. Its totient is φ = 108231552.

The previous prime is 216463109. The next prime is 216463187. The reversal of 216463112 is 211364612.

It can be written as a sum of positive squares in only one way, i.e., 133033156 + 83429956 = 11534^2 + 9134^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13528937 + ... + 13528952.

Almost surely, 2^216463112 is an apocalyptic number.

It is an amenable number.

216463112 is a deficient number, since it is larger than the sum of its proper divisors (189405238).

216463112 is a wasteful number, since it uses less digits than its factorization.

216463112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27057895 (or 27057891 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 216463112 is about 14712.6854108963. The cubic root of 216463112 is about 600.4285013123.

The spelling of 216463112 in words is "two hundred sixteen million, four hundred sixty-three thousand, one hundred twelve".