68445168 has 40 divisors (see below), whose sum is σ = 192892416. Its totient is φ = 20740800.

The previous prime is 68445151. The next prime is 68445187. The reversal of 68445168 is 86154486.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64288 + ... + 65343.

Almost surely, 2^68445168 is an apocalyptic number.

It is an amenable number.

68445168 is an abundant number, since it is smaller than the sum of its proper divisors (124447248).

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

68445168 is a wasteful number, since it uses less digits than its factorization.

68445168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129653 (or 129647 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 68445168 is about 8273.1594932045. The cubic root of 68445168 is about 409.0542707300.

The spelling of 68445168 in words is "sixty-eight million, four hundred forty-five thousand, one hundred sixty-eight".