238023042177166 has 8 divisors (see below), whose sum is σ = 357034973833440. Its totient is φ = 119011384232688.

The previous prime is 238023042177163. The next prime is 238023042177191. The reversal of 238023042177166 is 661771240320832.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238023042177161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66239926 + ... + 69740761.

It is an arithmetic number, because the mean of its divisors is an integer number (44629371729180).

Almost surely, 2^{238023042177166} is an apocalyptic number.

238023042177166 is a deficient number, since it is larger than the sum of its proper divisors (119011931656274).

238023042177166 is a wasteful number, since it uses less digits than its factorization.

238023042177166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136855898.

The product of its (nonzero) digits is 4064256, while the sum is 52.

Adding to 238023042177166 its reverse (661771240320832), we get a palindrome (899794282497998).

The spelling of 238023042177166 in words is "two hundred thirty-eight trillion, twenty-three billion, forty-two million, one hundred seventy-seven thousand, one hundred sixty-six".