22061116640 has 48 divisors (see below), whose sum is σ = 53916619680. Its totient is φ = 8520153600.

The previous prime is 22061116633. The next prime is 22061116643. The reversal of 22061116640 is 4661116022.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22061116643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2372636 + ... + 2381915.

It is an arithmetic number, because the mean of its divisors is an integer number (1123262910).

Almost surely, 2^22061116640 is an apocalyptic number.

22061116640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22061116640 is an abundant number, since it is smaller than the sum of its proper divisors (31855503040).

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

22061116640 is a wasteful number, since it uses less digits than its factorization.

22061116640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4754595 (or 4754587 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 22061116640 in words is "twenty-two billion, sixty-one million, one hundred sixteen thousand, six hundred forty".