164484473 has 2 divisors, whose sum is σ = 164484474. Its totient is φ = 164484472.

The previous prime is 164484461. The next prime is 164484533. The reversal of 164484473 is 374484461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125708944 + 38775529 = 11212^2 + 6227^2 .

It is a cyclic number.

It is not a de Polignac number, because 164484473 - 2⁶ = 164484409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164484473.

It is not a weakly prime, because it can be changed into another prime (164484413) 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, 82242236 + 82242237.

It is an arithmetic number, because the mean of its divisors is an integer number (82242237).

Almost surely, 2^164484473 is an apocalyptic number.

It is an amenable number.

164484473 is a deficient number, since it is larger than the sum of its proper divisors (1).

164484473 is an equidigital number, since it uses as much as digits as its factorization.

164484473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 41.

The square root of 164484473 is about 12825.1500186158. The cubic root of 164484473 is about 547.9088338673.

The spelling of 164484473 in words is "one hundred sixty-four million, four hundred eighty-four thousand, four hundred seventy-three".