168068522624 has 32 divisors (see below), whose sum is σ = 335096759700. Its totient is φ = 83965806592.

The previous prime is 168068522591. The next prime is 168068522627. The reversal of 168068522624 is 426225860861.

It can be written as a sum of positive squares in 2 ways, for example, as 152543362624 + 15525160000 = 390568^2 + 124600^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (168068522627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376877 + ... + 691500.

Almost surely, 2^168068522624 is an apocalyptic number.

It is an amenable number.

168068522624 is a deficient number, since it is larger than the sum of its proper divisors (167028237076).

168068522624 is a wasteful number, since it uses less digits than its factorization.

168068522624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069620 (or 1069608 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 168068522624 in words is "one hundred sixty-eight billion, sixty-eight million, five hundred twenty-two thousand, six hundred twenty-four".