84168044064 has 144 divisors (see below), whose sum is σ = 271331424000. Its totient is φ = 24534793728.

The previous prime is 84168044027. The next prime is 84168044099. The reversal of 84168044064 is 46044086148.

84168044064 is a `hidden beast` number, since 84 + 168 + 0 + 4 + 406 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 520464 + ... + 662735.

It is an arithmetic number, because the mean of its divisors is an integer number (1884246000).

Almost surely, 2^84168044064 is an apocalyptic number.

It is an amenable number.

84168044064 is an abundant number, since it is smaller than the sum of its proper divisors (187163379936).

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

84168044064 is a wasteful number, since it uses less digits than its factorization.

84168044064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183247 (or 1183236 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The spelling of 84168044064 in words is "eighty-four billion, one hundred sixty-eight million, forty-four thousand, sixty-four".