164389529 has 2 divisors, whose sum is σ = 164389530. Its totient is φ = 164389528.

The previous prime is 164389513. The next prime is 164389553. The reversal of 164389529 is 925983461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98406400 + 65983129 = 9920^2 + 8123^2 .

It is a cyclic number.

It is not a de Polignac number, because 164389529 - 2⁴ = 164389513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164382529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82194764 + 82194765.

It is an arithmetic number, because the mean of its divisors is an integer number (82194765).

Almost surely, 2^164389529 is an apocalyptic number.

It is an amenable number.

164389529 is a deficient number, since it is larger than the sum of its proper divisors (1).

164389529 is an equidigital number, since it uses as much as digits as its factorization.

164389529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 47.

The square root of 164389529 is about 12821.4480071480. The cubic root of 164389529 is about 547.8033919620.

The spelling of 164389529 in words is "one hundred sixty-four million, three hundred eighty-nine thousand, five hundred twenty-nine".