164525443 has 2 divisors, whose sum is σ = 164525444. Its totient is φ = 164525442.

The previous prime is 164525423. The next prime is 164525467. The reversal of 164525443 is 344525461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164525443 - 2⁹ = 164524931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164525399 and 164525408.

It is not a weakly prime, because it can be changed into another prime (164525423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82262721 + 82262722.

It is an arithmetic number, because the mean of its divisors is an integer number (82262722).

Almost surely, 2^164525443 is an apocalyptic number.

164525443 is a deficient number, since it is larger than the sum of its proper divisors (1).

164525443 is an equidigital number, since it uses as much as digits as its factorization.

164525443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 34.

The square root of 164525443 is about 12826.7471714383. The cubic root of 164525443 is about 547.9543213653.

The spelling of 164525443 in words is "one hundred sixty-four million, five hundred twenty-five thousand, four hundred forty-three".