163020043 has 8 divisors (see below), whose sum is σ = 165222512. Its totient is φ = 160828416.

The previous prime is 163020037. The next prime is 163020079. The reversal of 163020043 is 340020361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163020043 - 2⁹ = 163019531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163020043.

It is not an unprimeable number, because it can be changed into a prime (163020083) 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 in 7 ways as a sum of consecutive naturals, for example, 30196 + ... + 35182.

It is an arithmetic number, because the mean of its divisors is an integer number (20652814).

Almost surely, 2^163020043 is an apocalyptic number.

163020043 is a deficient number, since it is larger than the sum of its proper divisors (2202469).

163020043 is an equidigital number, since it uses as much as digits as its factorization.

163020043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5421.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 163020043 is about 12767.9302551353. The cubic root of 163020043 is about 546.2779459858.

The spelling of 163020043 in words is "one hundred sixty-three million, twenty thousand, forty-three".