164703443 has 2 divisors, whose sum is σ = 164703444. Its totient is φ = 164703442.

The previous prime is 164703431. The next prime is 164703467. The reversal of 164703443 is 344307461.

164703443 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 is an emirp because it is prime and its reverse (344307461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164703443 - 2¹² = 164699347 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_9223349 and since 164703443 and 9223349 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (164709443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82351721 + 82351722.

It is an arithmetic number, because the mean of its divisors is an integer number (82351722).

Almost surely, 2^164703443 is an apocalyptic number.

164703443 is a deficient number, since it is larger than the sum of its proper divisors (1).

164703443 is an equidigital number, since it uses as much as digits as its factorization.

164703443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 164703443 is about 12833.6839216181. The cubic root of 164703443 is about 548.1518606514.

The spelling of 164703443 in words is "one hundred sixty-four million, seven hundred three thousand, four hundred forty-three".