163413238 has 16 divisors (see below), whose sum is σ = 254940480. Its totient is φ = 78489216.

The previous prime is 163413227. The next prime is 163413241. The reversal of 163413238 is 832314361.

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 7 ways as a sum of consecutive naturals, for example, 8131 + ... + 19822.

It is an arithmetic number, because the mean of its divisors is an integer number (15933780).

Almost surely, 2^163413238 is an apocalyptic number.

163413238 is a deficient number, since it is larger than the sum of its proper divisors (91527242).

163413238 is a wasteful number, since it uses less digits than its factorization.

163413238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28071.

The product of its digits is 10368, while the sum is 31.

The square root of 163413238 is about 12783.3187396701. The cubic root of 163413238 is about 546.7167903839.

Adding to 163413238 its reverse (832314361), we get a palindrome (995727599).

The spelling of 163413238 in words is "one hundred sixty-three million, four hundred thirteen thousand, two hundred thirty-eight".