22111653839616 has 360 divisors, whose sum is σ = 72385105527504. Its totient is φ = 6657812029440.

The previous prime is 22111653839603. The next prime is 22111653839617. The reversal of 22111653839616 is 61693835611122.

22111653839616 is a `hidden beast` number, since 2 + 2 + 1 + 1 + 1 + 6 + 538 + 3 + 96 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (22111653839617) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35502346 + ... + 36119798.

Almost surely, 2^{22111653839616} 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 22111653839616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36192552763752).

22111653839616 is an abundant number, since it is smaller than the sum of its proper divisors (50273451687888).

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

22111653839616 is a wasteful number, since it uses less digits than its factorization.

22111653839616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617649 (or 617626 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The spelling of 22111653839616 in words is "twenty-two trillion, one hundred eleven billion, six hundred fifty-three million, eight hundred thirty-nine thousand, six hundred sixteen".