2187233616 has 40 divisors (see below), whose sum is σ = 5652138240. Its totient is φ = 728847616.

The previous prime is 2187233611. The next prime is 2187233639. The reversal of 2187233616 is 6163327812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2187233611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220900 + ... + 230588.

It is an arithmetic number, because the mean of its divisors is an integer number (141303456).

Almost surely, 2^2187233616 is an apocalyptic number.

It is an amenable number.

2187233616 is an abundant number, since it is smaller than the sum of its proper divisors (3464904624).

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

2187233616 is a wasteful number, since it uses less digits than its factorization.

2187233616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14403 (or 14397 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 2187233616 is about 46767.8694832253. The cubic root of 2187233616 is about 1298.0708300914.

The spelling of 2187233616 in words is "two billion, one hundred eighty-seven million, two hundred thirty-three thousand, six hundred sixteen".