164427559 has 2 divisors, whose sum is σ = 164427560. Its totient is φ = 164427558.

The previous prime is 164427547. The next prime is 164427569. The reversal of 164427559 is 955724461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164427559 - 2¹¹ = 164425511 is a prime.

It is a super-3 number, since 3×164427559³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164427509) 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 as a sum of consecutive naturals, namely, 82213779 + 82213780.

It is an arithmetic number, because the mean of its divisors is an integer number (82213780).

Almost surely, 2^164427559 is an apocalyptic number.

164427559 is a deficient number, since it is larger than the sum of its proper divisors (1).

164427559 is an equidigital number, since it uses as much as digits as its factorization.

164427559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 43.

The square root of 164427559 is about 12822.9309832035. The cubic root of 164427559 is about 547.8456317908.

The spelling of 164427559 in words is "one hundred sixty-four million, four hundred twenty-seven thousand, five hundred fifty-nine".