165222454339 has 2 divisors, whose sum is σ = 165222454340. Its totient is φ = 165222454338.

The previous prime is 165222454303. The next prime is 165222454361. The reversal of 165222454339 is 933454222561.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 165222454339 - 2¹⁹ = 165221930051 is a prime.

It is not a weakly prime, because it can be changed into another prime (165222464339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82611227169 + 82611227170.

It is an arithmetic number, because the mean of its divisors is an integer number (82611227170).

Almost surely, 2^165222454339 is an apocalyptic number.

165222454339 is a deficient number, since it is larger than the sum of its proper divisors (1).

165222454339 is an equidigital number, since it uses as much as digits as its factorization.

165222454339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 46.

The spelling of 165222454339 in words is "one hundred sixty-five billion, two hundred twenty-two million, four hundred fifty-four thousand, three hundred thirty-nine".