162800238 has 8 divisors (see below), whose sum is σ = 325600488. Its totient is φ = 54266744.

The previous prime is 162800219. The next prime is 162800249. The reversal of 162800238 is 832008261.

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

162800238 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13566681 + ... + 13566692.

It is an arithmetic number, because the mean of its divisors is an integer number (40700061).

Almost surely, 2^162800238 is an apocalyptic number.

162800238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162800238 is a wasteful number, since it uses less digits than its factorization.

162800238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27133378.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 162800238 is about 12759.3196527088. The cubic root of 162800238 is about 546.0323143670.

Adding to 162800238 its reverse (832008261), we get a palindrome (994808499).

The spelling of 162800238 in words is "one hundred sixty-two million, eight hundred thousand, two hundred thirty-eight".