22161060522616 has 128 divisors (see below), whose sum is σ = 44838306501120. Its totient is φ = 10231603200000.

The previous prime is 22161060522589. The next prime is 22161060522619. The reversal of 22161060522616 is 61622506016122.

It is a happy number.

It is a super-2 number, since 2×22161060522616² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22161060522619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 567616056 + ... + 567655096.

It is an arithmetic number, because the mean of its divisors is an integer number (350299269540).

Almost surely, 2^{22161060522616} is an apocalyptic number.

It is an amenable number.

22161060522616 is an abundant number, since it is smaller than the sum of its proper divisors (22677245978504).

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

22161060522616 is a wasteful number, since it uses less digits than its factorization.

22161060522616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39557 (or 39553 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

Adding to 22161060522616 its reverse (61622506016122), we get a palindrome (83783566538738).

The spelling of 22161060522616 in words is "twenty-two trillion, one hundred sixty-one billion, sixty million, five hundred twenty-two thousand, six hundred sixteen".