4221605045316 has 96 divisors (see below), whose sum is σ = 10470888368640. Its totient is φ = 1319216025600.

The previous prime is 4221605045293. The next prime is 4221605045323. The reversal of 4221605045316 is 6135405061224.

4221605045316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 336618006 + ... + 336630546.

It is an arithmetic number, because the mean of its divisors is an integer number (109071753840).

Almost surely, 2^{4221605045316} 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 4221605045316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5235444184320).

4221605045316 is an abundant number, since it is smaller than the sum of its proper divisors (6249283323324).

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

4221605045316 is a wasteful number, since it uses less digits than its factorization.

4221605045316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18925 (or 18923 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 4221605045316 in words is "four trillion, two hundred twenty-one billion, six hundred five million, forty-five thousand, three hundred sixteen".