2236681216 has 176 divisors, whose sum is σ = 5871778560. Its totient is φ = 825016320.

The previous prime is 2236681171. The next prime is 2236681229. The reversal of 2236681216 is 6121866322.

It is a tau number, because it is divible by the number of its divisors (176).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1497366 + ... + 1498858.

Almost surely, 2^2236681216 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 2236681216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2935889280).

2236681216 is an abundant number, since it is smaller than the sum of its proper divisors (3635097344).

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

2236681216 is a wasteful number, since it uses less digits than its factorization.

2236681216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550 (or 1532 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 2236681216 is about 47293.5642133261. The cubic root of 2236681216 is about 1307.7800164356.

The spelling of 2236681216 in words is "two billion, two hundred thirty-six million, six hundred eighty-one thousand, two hundred sixteen".