168576648072 has 256 divisors, whose sum is σ = 516966105600. Its totient is φ = 44714557440.

The previous prime is 168576648061. The next prime is 168576648073. The reversal of 168576648072 is 270846675861.

It is a junction number, because it is equal to n+sod(n) for n = 168576647997 and 168576648015.

It is not an unprimeable number, because it can be changed into a prime (168576648073) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73903572 + ... + 73905852.

It is an arithmetic number, because the mean of its divisors is an integer number (2019398850).

Almost surely, 2^168576648072 is an apocalyptic number.

168576648072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168576648072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258483052800).

168576648072 is an abundant number, since it is smaller than the sum of its proper divisors (348389457528).

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

168576648072 is a wasteful number, since it uses less digits than its factorization.

168576648072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656 (or 2652 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 60.

The spelling of 168576648072 in words is "one hundred sixty-eight billion, five hundred seventy-six million, six hundred forty-eight thousand, seventy-two".