162044321 has 2 divisors, whose sum is σ = 162044322. Its totient is φ = 162044320.

The previous prime is 162044287. The next prime is 162044327. The reversal of 162044321 is 123440261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127938721 + 34105600 = 11311^2 + 5840^2 .

It is a cyclic number.

It is not a de Polignac number, because 162044321 - 2¹⁸ = 161782177 is a prime.

It is not a weakly prime, because it can be changed into another prime (162044327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81022160 + 81022161.

It is an arithmetic number, because the mean of its divisors is an integer number (81022161).

Almost surely, 2^162044321 is an apocalyptic number.

It is an amenable number.

162044321 is a deficient number, since it is larger than the sum of its proper divisors (1).

162044321 is an equidigital number, since it uses as much as digits as its factorization.

162044321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 162044321 is about 12729.6630356031. The cubic root of 162044321 is about 545.1858872684.

Adding to 162044321 its reverse (123440261), we get a palindrome (285484582).

The spelling of 162044321 in words is "one hundred sixty-two million, forty-four thousand, three hundred twenty-one".