2216251692108 has 108 divisors (see below), whose sum is σ = 5938451444520. Its totient is φ = 714765189600.

The previous prime is 2216251692107. The next prime is 2216251692131. The reversal of 2216251692108 is 8012961526122.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

2216251692108 is a `hidden beast` number, since 2 + 2 + 1 + 625 + 1 + 6 + 9 + 2 + 10 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (108).

It is not an unprimeable number, because it can be changed into a prime (2216251692107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 479602038 + ... + 479606658.

Almost surely, 2^{2216251692108} 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 2216251692108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2969225722260).

2216251692108 is an abundant number, since it is smaller than the sum of its proper divisors (3722199752412).

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

2216251692108 is an frugal number, since it uses more digits than its factorization.

2216251692108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9317 (or 4657 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 2216251692108 in words is "two trillion, two hundred sixteen billion, two hundred fifty-one million, six hundred ninety-two thousand, one hundred eight".