210065216 has 28 divisors (see below), whose sum is σ = 438790080. Its totient is φ = 99504000.

The previous prime is 210065189. The next prime is 210065227. The reversal of 210065216 is 612560012.

It is a junction number, because it is equal to n+sod(n) for n = 210065191 and 210065200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85160 + ... + 87591.

Almost surely, 2^210065216 is an apocalyptic number.

It is an amenable number.

210065216 is an abundant number, since it is smaller than the sum of its proper divisors (228724864).

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

210065216 is a wasteful number, since it uses less digits than its factorization.

210065216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172782 (or 172772 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 210065216 is about 14493.6267372939. The cubic root of 210065216 is about 594.4537188785.

The spelling of 210065216 in words is "two hundred ten million, sixty-five thousand, two hundred sixteen".