168381841864411 has 8 divisors (see below), whose sum is σ = 195591085632224. Its totient is φ = 141961271829120.

The previous prime is 168381841864399. The next prime is 168381841864477. The reversal of 168381841864411 is 114468148183861.

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

It is a cyclic number.

It is not a de Polignac number, because 168381841864411 - 2²³ = 168381833475803 is a prime.

It is a super-4 number, since 4×168381841864411⁴ (a number of 58 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168381841814411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197168432670 + ... + 197168433523.

It is an arithmetic number, because the mean of its divisors is an integer number (24448885704028).

Almost surely, 2^{168381841864411} is an apocalyptic number.

168381841864411 is a deficient number, since it is larger than the sum of its proper divisors (27209243767813).

168381841864411 is an equidigital number, since it uses as much as digits as its factorization.

168381841864411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394336866261.

The product of its digits is 28311552, while the sum is 64.

The spelling of 168381841864411 in words is "one hundred sixty-eight trillion, three hundred eighty-one billion, eight hundred forty-one million, eight hundred sixty-four thousand, four hundred eleven".