168195950208 has 1536 divisors, whose sum is σ = 661620960000. Its totient is φ = 40131624960.

The previous prime is 168195950159. The next prime is 168195950213. The reversal of 168195950208 is 802059591861.

168195950208 is a `hidden beast` number, since 1 + 6 + 81 + 9 + 59 + 502 + 0 + 8 = 666.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 1543082058 + ... + 1543082166.

Almost surely, 2^168195950208 is an apocalyptic number.

168195950208 is a gapful number since it is divisible by the number (18) 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 168195950208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330810480000).

168195950208 is an abundant number, since it is smaller than the sum of its proper divisors (493425009792).

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

168195950208 is a wasteful number, since it uses less digits than its factorization.

168195950208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 54.

The spelling of 168195950208 in words is "one hundred sixty-eight billion, one hundred ninety-five million, nine hundred fifty thousand, two hundred eight".