216210210616 has 32 divisors (see below), whose sum is σ = 419402253600. Its totient is φ = 104370125440.

The previous prime is 216210210569. The next prime is 216210210631. The reversal of 216210210616 is 616012012612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5062086 + ... + 5104618.

It is an arithmetic number, because the mean of its divisors is an integer number (13106320425).

Almost surely, 2^216210210616 is an apocalyptic number.

It is an amenable number.

216210210616 is a deficient number, since it is larger than the sum of its proper divisors (203192042984).

216210210616 is a wasteful number, since it uses less digits than its factorization.

216210210616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64479 (or 64475 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 216210210616 in words is "two hundred sixteen billion, two hundred ten million, two hundred ten thousand, six hundred sixteen".