168632344068 has 24 divisors (see below), whose sum is σ = 393732517920. Its totient is φ = 56174060160.

The previous prime is 168632344043. The next prime is 168632344079. The reversal of 168632344068 is 860443236861.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 168632344068.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4571013 + ... + 4607756.

It is an arithmetic number, because the mean of its divisors is an integer number (16405521580).

Almost surely, 2^168632344068 is an apocalyptic number.

It is an amenable number.

168632344068 is an abundant number, since it is smaller than the sum of its proper divisors (225100173852).

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

168632344068 is a wasteful number, since it uses less digits than its factorization.

168632344068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9180307 (or 9180305 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 168632344068 in words is "one hundred sixty-eight billion, six hundred thirty-two million, three hundred forty-four thousand, sixty-eight".