168462134844 has 12 divisors (see below), whose sum is σ = 393078314664. Its totient is φ = 56154044944.

The previous prime is 168462134791. The next prime is 168462134849. The reversal of 168462134844 is 448431264861.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168462134849) 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 3 ways as a sum of consecutive naturals, for example, 7019255607 + ... + 7019255630.

It is an arithmetic number, because the mean of its divisors is an integer number (32756526222).

Almost surely, 2^168462134844 is an apocalyptic number.

It is an amenable number.

168462134844 is an abundant number, since it is smaller than the sum of its proper divisors (224616179820).

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

168462134844 is a wasteful number, since it uses less digits than its factorization.

168462134844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14038511244 (or 14038511242 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 51.

The spelling of 168462134844 in words is "one hundred sixty-eight billion, four hundred sixty-two million, one hundred thirty-four thousand, eight hundred forty-four".