164287573 has 2 divisors, whose sum is σ = 164287574. Its totient is φ = 164287572.

The previous prime is 164287567. The next prime is 164287589. The reversal of 164287573 is 375782461.

164287573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164019249 + 268324 = 12807^2 + 518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164287573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164287553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82143786 + 82143787.

It is an arithmetic number, because the mean of its divisors is an integer number (82143787).

Almost surely, 2^164287573 is an apocalyptic number.

It is an amenable number.

164287573 is a deficient number, since it is larger than the sum of its proper divisors (1).

164287573 is an equidigital number, since it uses as much as digits as its factorization.

164287573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 43.

The square root of 164287573 is about 12817.4713964963. The cubic root of 164287573 is about 547.6901175266.

The spelling of 164287573 in words is "one hundred sixty-four million, two hundred eighty-seven thousand, five hundred seventy-three".