163489238 has 16 divisors (see below), whose sum is σ = 283265424. Its totient is φ = 69941760.

The previous prime is 163489229. The next prime is 163489247. The reversal of 163489238 is 832984361.

163489238 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (163489229) and next prime (163489247).

It is a congruent number.

It is an unprimeable number.

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, 218195 + ... + 218942.

It is an arithmetic number, because the mean of its divisors is an integer number (17704089).

Almost surely, 2^163489238 is an apocalyptic number.

163489238 is a deficient number, since it is larger than the sum of its proper divisors (119776186).

163489238 is a wasteful number, since it uses less digits than its factorization.

163489238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437167.

The product of its digits is 248832, while the sum is 44.

The square root of 163489238 is about 12786.2910181178. The cubic root of 163489238 is about 546.8015326745.

The spelling of 163489238 in words is "one hundred sixty-three million, four hundred eighty-nine thousand, two hundred thirty-eight".