216107696 has 80 divisors (see below), whose sum is σ = 501872640. Its totient is φ = 88197120.

The previous prime is 216107693. The next prime is 216107707. The reversal of 216107696 is 696701612.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (216107693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232160 + ... + 233088.

It is an arithmetic number, because the mean of its divisors is an integer number (6273408).

Almost surely, 2^216107696 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 216107696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250936320).

216107696 is an abundant number, since it is smaller than the sum of its proper divisors (285764944).

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

216107696 is a wasteful number, since it uses less digits than its factorization.

216107696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042 (or 1036 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 216107696 is about 14700.6018924396. The cubic root of 216107696 is about 600.0997019501.

The spelling of 216107696 in words is "two hundred sixteen million, one hundred seven thousand, six hundred ninety-six".