163424017838 has 8 divisors (see below), whose sum is σ = 246215921832. Its totient is φ = 81352043896.

The previous prime is 163424017781. The next prime is 163424017849. The reversal of 163424017838 is 838710424361.

163424017838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 163424017792 and 163424017801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179981945 + ... + 179982852.

It is an arithmetic number, because the mean of its divisors is an integer number (30776990229).

Almost surely, 2^163424017838 is an apocalyptic number.

163424017838 is a deficient number, since it is larger than the sum of its proper divisors (82791903994).

163424017838 is a wasteful number, since it uses less digits than its factorization.

163424017838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359965026.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 163424017838 in words is "one hundred sixty-three billion, four hundred twenty-four million, seventeen thousand, eight hundred thirty-eight".