168998330046 has 256 divisors, whose sum is σ = 452922624000. Its totient is φ = 40794679296.

The previous prime is 168998329991. The next prime is 168998330051. The reversal of 168998330046 is 640033899861.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 737983860 + ... + 737984088.

It is an arithmetic number, because the mean of its divisors is an integer number (1769229000).

Almost surely, 2^168998330046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168998330046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226461312000).

168998330046 is an abundant number, since it is smaller than the sum of its proper divisors (283924293954).

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

168998330046 is a wasteful number, since it uses less digits than its factorization.

168998330046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 57.

The spelling of 168998330046 in words is "one hundred sixty-eight billion, nine hundred ninety-eight million, three hundred thirty thousand, forty-six".