238133168016 has 160 divisors (see below), whose sum is σ = 641521761408. Its totient is φ = 76048035840.

The previous prime is 238133167949. The next prime is 238133168057. The reversal of 238133168016 is 610861331832.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107217786 + ... + 107220006.

Almost surely, 2^238133168016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238133168016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320760880704).

238133168016 is an abundant number, since it is smaller than the sum of its proper divisors (403388593392).

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

238133168016 is a wasteful number, since it uses less digits than its factorization.

238133168016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169 (or 3163 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

Adding to 238133168016 its reverse (610861331832), we get a palindrome (848994499848).

The spelling of 238133168016 in words is "two hundred thirty-eight billion, one hundred thirty-three million, one hundred sixty-eight thousand, sixteen".