168040893311 has 8 divisors (see below), whose sum is σ = 168195494304. Its totient is φ = 167886357760.

The previous prime is 168040893301. The next prime is 168040893337. The reversal of 168040893311 is 113398040861.

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 168040893311 - 2²² = 168036699007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168040893301) 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, 6145991 + ... + 6173271.

It is an arithmetic number, because the mean of its divisors is an integer number (21024436788).

Almost surely, 2^168040893311 is an apocalyptic number.

168040893311 is a deficient number, since it is larger than the sum of its proper divisors (154600993).

168040893311 is a wasteful number, since it uses less digits than its factorization.

168040893311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32721.

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 168040893311 in words is "one hundred sixty-eight billion, forty million, eight hundred ninety-three thousand, three hundred eleven".