163444043 has 4 divisors (see below), whose sum is σ = 186793200. Its totient is φ = 140094888.

The previous prime is 163444027. The next prime is 163444063. The reversal of 163444043 is 340444361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 163444043 - 2⁴ = 163444027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163443997 and 163444015.

It is not an unprimeable number, because it can be changed into a prime (163444013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11674568 + ... + 11674581.

It is an arithmetic number, because the mean of its divisors is an integer number (46698300).

Almost surely, 2^163444043 is an apocalyptic number.

163444043 is a deficient number, since it is larger than the sum of its proper divisors (23349157).

163444043 is an equidigital number, since it uses as much as digits as its factorization.

163444043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23349156.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 163444043 is about 12784.5235734461. The cubic root of 163444043 is about 546.7511420532.

The spelling of 163444043 in words is "one hundred sixty-three million, four hundred forty-four thousand, forty-three".