216063412 has 12 divisors (see below), whose sum is σ = 378558180. Its totient is φ = 107903936.

The previous prime is 216063401. The next prime is 216063439. The reversal of 216063412 is 214360612.

It can be written as a sum of positive squares in 2 ways, for example, as 204947856 + 11115556 = 14316^2 + 3334^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28087 + ... + 34942.

It is an arithmetic number, because the mean of its divisors is an integer number (31546515).

Almost surely, 2^216063412 is an apocalyptic number.

It is an amenable number.

216063412 is a deficient number, since it is larger than the sum of its proper divisors (162494768).

216063412 is a wasteful number, since it uses less digits than its factorization.

216063412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63890 (or 63888 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 216063412 is about 14699.0956184386. The cubic root of 216063412 is about 600.0587090700.

The spelling of 216063412 in words is "two hundred sixteen million, sixty-three thousand, four hundred twelve".