22011134616 has 128 divisors (see below), whose sum is σ = 62345592000. Its totient is φ = 7193816064.

The previous prime is 22011134597. The next prime is 22011134657. The reversal of 22011134616 is 61643111022.

It is a happy number.

22011134616 is a `hidden beast` number, since 2 + 2 + 0 + 1 + 11 + 34 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 22011134616.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2723830 + ... + 2731898.

Almost surely, 2^22011134616 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 22011134616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31172796000).

22011134616 is an abundant number, since it is smaller than the sum of its proper divisors (40334457384).

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

22011134616 is a wasteful number, since it uses less digits than its factorization.

22011134616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8330 (or 8320 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 22011134616 its reverse (61643111022), we get a palindrome (83654245638).

The spelling of 22011134616 in words is "twenty-two billion, eleven million, one hundred thirty-four thousand, six hundred sixteen".