4203220668416 has 156 divisors (see below), whose sum is σ = 10558877345856. Its totient is φ = 1637617090560.

The previous prime is 4203220668377. The next prime is 4203220668419. The reversal of 4203220668416 is 6148660223024.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (4203220668419) 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 11 ways as a sum of consecutive naturals, for example, 2863541 + ... + 4075083.

Almost surely, 2^{4203220668416} 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 4203220668416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5279438672928).

4203220668416 is an abundant number, since it is smaller than the sum of its proper divisors (6355656677440).

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

4203220668416 is a wasteful number, since it uses less digits than its factorization.

4203220668416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211596 (or 1211563 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 4203220668416 in words is "four trillion, two hundred three billion, two hundred twenty million, six hundred sixty-eight thousand, four hundred sixteen".