162444316445441 has 4 divisors (see below), whose sum is σ = 162728807367984. Its totient is φ = 162159825522900.

The previous prime is 162444316445401. The next prime is 162444316445447. The reversal of 162444316445441 is 144544613444261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 162444316445441 - 2⁶ = 162444316445377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162444316445447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142245460415 + ... + 142245461556.

It is an arithmetic number, because the mean of its divisors is an integer number (40682201841996).

Almost surely, 2^{162444316445441} is an apocalyptic number.

It is an amenable number.

162444316445441 is a deficient number, since it is larger than the sum of its proper divisors (284490922543).

162444316445441 is an equidigital number, since it uses as much as digits as its factorization.

162444316445441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284490922542.

The product of its digits is 17694720, while the sum is 53.

The spelling of 162444316445441 in words is "one hundred sixty-two trillion, four hundred forty-four billion, three hundred sixteen million, four hundred forty-five thousand, four hundred forty-one".