216995882016 has 192 divisors, whose sum is σ = 620276590080. Its totient is φ = 66145812480.

The previous prime is 216995882003. The next prime is 216995882027. The reversal of 216995882016 is 610288599612.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53196265 + ... + 53200343.

It is an arithmetic number, because the mean of its divisors is an integer number (3230607240).

Almost surely, 2^216995882016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216995882016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310138295040).

216995882016 is an abundant number, since it is smaller than the sum of its proper divisors (403280708064).

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

216995882016 is a wasteful number, since it uses less digits than its factorization.

216995882016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027 (or 5019 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 57.

The spelling of 216995882016 in words is "two hundred sixteen billion, nine hundred ninety-five million, eight hundred eighty-two thousand, sixteen".