816536224112 has 20 divisors (see below), whose sum is σ = 1808044496496. Its totient is φ = 349944096000.

The previous prime is 816536224111. The next prime is 816536224159. The reversal of 816536224112 is 211422635618.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 816536224112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816536224111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3645250889 + ... + 3645251112.

Almost surely, 2^816536224112 is an apocalyptic number.

It is an amenable number.

816536224112 is an abundant number, since it is smaller than the sum of its proper divisors (991508272384).

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

816536224112 is a wasteful number, since it uses less digits than its factorization.

816536224112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7290502016 (or 7290502010 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The spelling of 816536224112 in words is "eight hundred sixteen billion, five hundred thirty-six million, two hundred twenty-four thousand, one hundred twelve".