216302873316 has 12 divisors (see below), whose sum is σ = 504706704432. Its totient is φ = 72100957768.

The previous prime is 216302873263. The next prime is 216302873341. The reversal of 216302873316 is 613378203612.

It is a tau number, because it is divible by the number of its divisors (12).

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, 9012619710 + ... + 9012619733.

It is an arithmetic number, because the mean of its divisors is an integer number (42058892036).

Almost surely, 2^216302873316 is an apocalyptic number.

It is an amenable number.

216302873316 is an abundant number, since it is smaller than the sum of its proper divisors (288403831116).

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

216302873316 is a wasteful number, since it uses less digits than its factorization.

216302873316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18025239450 (or 18025239448 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 216302873316 in words is "two hundred sixteen billion, three hundred two million, eight hundred seventy-three thousand, three hundred sixteen".