4421443161 has 8 divisors (see below), whose sum is σ = 5896347424. Its totient is φ = 2947083840.

The previous prime is 4421443141. The next prime is 4421443207. The reversal of 4421443161 is 1613441244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4421443161 - 2⁵ = 4421443129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4421443141) 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, 116911 + ... + 150036.

It is an arithmetic number, because the mean of its divisors is an integer number (737043428).

Almost surely, 2^4421443161 is an apocalyptic number.

It is an amenable number.

4421443161 is a deficient number, since it is larger than the sum of its proper divisors (1474904263).

4421443161 is a wasteful number, since it uses less digits than its factorization.

4421443161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272471.

The product of its digits is 9216, while the sum is 30.

The square root of 4421443161 is about 66493.9332646220. The cubic root of 4421443161 is about 1641.3001737284.

The spelling of 4421443161 in words is "four billion, four hundred twenty-one million, four hundred forty-three thousand, one hundred sixty-one".