163443029 has 2 divisors, whose sum is σ = 163443030. Its totient is φ = 163443028.

The previous prime is 163443013. The next prime is 163443041. The reversal of 163443029 is 920344361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148888804 + 14554225 = 12202^2 + 3815^2 .

It is a cyclic number.

It is not a de Polignac number, because 163443029 - 2⁴ = 163443013 is a prime.

It is a super-3 number, since 3×163443029³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 163442986 and 163443004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163433029) 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, 81721514 + 81721515.

It is an arithmetic number, because the mean of its divisors is an integer number (81721515).

Almost surely, 2^163443029 is an apocalyptic number.

It is an amenable number.

163443029 is a deficient number, since it is larger than the sum of its proper divisors (1).

163443029 is an equidigital number, since it uses as much as digits as its factorization.

163443029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 163443029 is about 12784.4839160601. The cubic root of 163443029 is about 546.7500113772.

The spelling of 163443029 in words is "one hundred sixty-three million, four hundred forty-three thousand, twenty-nine".