2220326126616 has 128 divisors (see below), whose sum is σ = 6060922237440. Its totient is φ = 673681536000.

The previous prime is 2220326126569. The next prime is 2220326126633. The reversal of 2220326126616 is 6166216230222.

It is a super-2 number, since 2×2220326126616² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203862531 + ... + 203873421.

It is an arithmetic number, because the mean of its divisors is an integer number (47350954980).

Almost surely, 2^{2220326126616} is an apocalyptic number.

2220326126616 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220326126616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3030461118720).

2220326126616 is an abundant number, since it is smaller than the sum of its proper divisors (3840596110824).

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

2220326126616 is a wasteful number, since it uses less digits than its factorization.

2220326126616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19937 (or 19933 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 2220326126616 in words is "two trillion, two hundred twenty billion, three hundred twenty-six million, one hundred twenty-six thousand, six hundred sixteen".