238951110161 has 8 divisors (see below), whose sum is σ = 251613770880. Its totient is φ = 226297078128.

The previous prime is 238951110149. The next prime is 238951110217. The reversal of 238951110161 is 161011159832.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238951110161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238951110121) by changing a digit.

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, 2100281 + ... + 2211126.

It is an arithmetic number, because the mean of its divisors is an integer number (31451721360).

Almost surely, 2^238951110161 is an apocalyptic number.

It is an amenable number.

238951110161 is a deficient number, since it is larger than the sum of its proper divisors (12662660719).

238951110161 is a wasteful number, since it uses less digits than its factorization.

238951110161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4314343.

The product of its (nonzero) digits is 12960, while the sum is 38.

Adding to 238951110161 its reverse (161011159832), we get a palindrome (399962269993).

The spelling of 238951110161 in words is "two hundred thirty-eight billion, nine hundred fifty-one million, one hundred ten thousand, one hundred sixty-one".