163032238 has 4 divisors (see below), whose sum is σ = 244548360. Its totient is φ = 81516118.

The previous prime is 163032203. The next prime is 163032241. The reversal of 163032238 is 832230361.

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

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 as a sum of consecutive naturals, namely, 40758058 + ... + 40758061.

It is an arithmetic number, because the mean of its divisors is an integer number (61137090).

Almost surely, 2^163032238 is an apocalyptic number.

163032238 is a deficient number, since it is larger than the sum of its proper divisors (81516122).

163032238 is an equidigital number, since it uses as much as digits as its factorization.

163032238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81516121.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 163032238 is about 12768.4078099033. The cubic root of 163032238 is about 546.2915674059.

Adding to 163032238 its reverse (832230361), we get a palindrome (995262599).

The spelling of 163032238 in words is "one hundred sixty-three million, thirty-two thousand, two hundred thirty-eight".