442160386181 has 8 divisors (see below), whose sum is σ = 449866159104. Its totient is φ = 434469363120.

The previous prime is 442160386169. The next prime is 442160386219. The reversal of 442160386181 is 181683061244.

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

It is a cyclic number.

It is not a de Polignac number, because 442160386181 - 2⁶ = 442160386117 is a prime.

It is a super-2 number, since 2×442160386181² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442160386121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3626981 + ... + 3746906.

It is an arithmetic number, because the mean of its divisors is an integer number (56233269888).

Almost surely, 2^442160386181 is an apocalyptic number.

It is an amenable number.

442160386181 is a deficient number, since it is larger than the sum of its proper divisors (7705772923).

442160386181 is an equidigital number, since it uses as much as digits as its factorization.

442160386181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7374931.

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 442160386181 in words is "four hundred forty-two billion, one hundred sixty million, three hundred eighty-six thousand, one hundred eighty-one".