238167043140863 has 4 divisors (see below), whose sum is σ = 238438613316360. Its totient is φ = 237895472965368.

The previous prime is 238167043140847. The next prime is 238167043140877. The reversal of 238167043140863 is 368041340761832.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 238167043140863 - 2⁴ = 238167043140847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 238167043140799 and 238167043140808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238167043143863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135785086433 + ... + 135785088186.

It is an arithmetic number, because the mean of its divisors is an integer number (59609653329090).

Almost surely, 2^{238167043140863} is an apocalyptic number.

238167043140863 is a deficient number, since it is larger than the sum of its proper divisors (271570175497).

238167043140863 is an equidigital number, since it uses as much as digits as its factorization.

238167043140863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271570175496.

The product of its (nonzero) digits is 13934592, while the sum is 56.

The spelling of 238167043140863 in words is "two hundred thirty-eight trillion, one hundred sixty-seven billion, forty-three million, one hundred forty thousand, eight hundred sixty-three".