216016208 has 20 divisors (see below), whose sum is σ = 428740788. Its totient is φ = 105373440.

The previous prime is 216016193. The next prime is 216016217. The reversal of 216016208 is 802610612.

216016208 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 79780624 + 136235584 = 8932^2 + 11672^2 .

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, 163991 + ... + 165302.

Almost surely, 2^216016208 is an apocalyptic number.

It is an amenable number.

216016208 is a deficient number, since it is larger than the sum of its proper divisors (212724580).

216016208 is a wasteful number, since it uses less digits than its factorization.

216016208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329342 (or 329336 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 216016208 is about 14697.4898537131. The cubic root of 216016208 is about 600.0150070321.

The spelling of 216016208 in words is "two hundred sixteen million, sixteen thousand, two hundred eight".