168373771784844 has 48 divisors (see below), whose sum is σ = 399629470128000. Its totient is φ = 55159725868416.

The previous prime is 168373771784809. The next prime is 168373771784947. The reversal of 168373771784844 is 448487177373861.

It is a self number, because there is not a number n which added to its sum of digits gives 168373771784844.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26436994 + ... + 32181705.

It is an arithmetic number, because the mean of its divisors is an integer number (8325613961000).

Almost surely, 2^{168373771784844} is an apocalyptic number.

It is an amenable number.

168373771784844 is an abundant number, since it is smaller than the sum of its proper divisors (231255698343156).

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

168373771784844 is a wasteful number, since it uses less digits than its factorization.

168373771784844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58622822 (or 58622820 counting only the distinct ones).

The product of its digits is 4248502272, while the sum is 78.

The spelling of 168373771784844 in words is "one hundred sixty-eight trillion, three hundred seventy-three billion, seven hundred seventy-one million, seven hundred eighty-four thousand, eight hundred forty-four".