816094188 has 144 divisors (see below), whose sum is σ = 2649593856. Its totient is φ = 205856640.

The previous prime is 816094183. The next prime is 816094193. The reversal of 816094188 is 881490618.

816094188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (816094183) and next prime (816094193).

It is not an unprimeable number, because it can be changed into a prime (816094183) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69933 + ... + 80763.

Almost surely, 2^816094188 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 816094188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1324796928).

816094188 is an abundant number, since it is smaller than the sum of its proper divisors (1833499668).

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

816094188 is a wasteful number, since it uses less digits than its factorization.

816094188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10884 (or 10879 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 816094188 is about 28567.3622863575. The cubic root of 816094188 is about 934.5016983154.

The spelling of 816094188 in words is "eight hundred sixteen million, ninety-four thousand, one hundred eighty-eight".