168351208842 has 16 divisors (see below), whose sum is σ = 348312846240. Its totient is φ = 54181998192.

The previous prime is 168351208819. The next prime is 168351208849. The reversal of 168351208842 is 248802153861.

It is a junction number, because it is equal to n+sod(n) for n = 168351208791 and 168351208800.

It is not an unprimeable number, because it can be changed into a prime (168351208849) 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, 483767668 + ... + 483768015.

It is an arithmetic number, because the mean of its divisors is an integer number (21769552890).

Almost surely, 2^168351208842 is an apocalyptic number.

168351208842 is an abundant number, since it is smaller than the sum of its proper divisors (179961637398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168351208842 is a wasteful number, since it uses less digits than its factorization.

168351208842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967535717.

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 168351208842 in words is "one hundred sixty-eight billion, three hundred fifty-one million, two hundred eight thousand, eight hundred forty-two".