163585943 has 2 divisors, whose sum is σ = 163585944. Its totient is φ = 163585942.

The previous prime is 163585901. The next prime is 163585967. The reversal of 163585943 is 349585361.

163585943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163585943 - 2⁶ = 163585879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163585894 and 163585903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163585343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81792971 + 81792972.

It is an arithmetic number, because the mean of its divisors is an integer number (81792972).

Almost surely, 2^163585943 is an apocalyptic number.

163585943 is a deficient number, since it is larger than the sum of its proper divisors (1).

163585943 is an equidigital number, since it uses as much as digits as its factorization.

163585943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 44.

The square root of 163585943 is about 12790.0720482724. The cubic root of 163585943 is about 546.9093237036.

It can be divided in two parts, 1635 and 85943, that added together give a palindrome (87578).

The spelling of 163585943 in words is "one hundred sixty-three million, five hundred eighty-five thousand, nine hundred forty-three".