163843682 has 16 divisors (see below), whose sum is σ = 253230072. Its totient is φ = 79470720.

The previous prime is 163843679. The next prime is 163843703. The reversal of 163843682 is 286348361.

It is a happy number.

163843682 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 136165561 + 27678121 = 11669^2 + 5261^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293 + ... + 18104.

Almost surely, 2^163843682 is an apocalyptic number.

163843682 is a deficient number, since it is larger than the sum of its proper divisors (89386390).

163843682 is a wasteful number, since it uses less digits than its factorization.

163843682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18533.

The product of its digits is 165888, while the sum is 41.

The square root of 163843682 is about 12800.1438273169. The cubic root of 163843682 is about 547.1964019497.

The spelling of 163843682 in words is "one hundred sixty-three million, eight hundred forty-three thousand, six hundred eighty-two".