168503850 has 72 divisors (see below), whose sum is σ = 463806252. Its totient is φ = 43833600.

The previous prime is 168503827. The next prime is 168503851. The reversal of 168503850 is 58305861.

168503850 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 41873841 + 126630009 = 6471^2 + 11253^2 .

It is not an unprimeable number, because it can be changed into a prime (168503851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13884 + ... + 23016.

Almost surely, 2^168503850 is an apocalyptic number.

168503850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 168503850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231903126).

168503850 is an abundant number, since it is smaller than the sum of its proper divisors (295302402).

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

168503850 is a wasteful number, since it uses less digits than its factorization.

168503850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9192 (or 9184 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 168503850 is about 12980.9032813591. The cubic root of 168503850 is about 552.3359053504.

The spelling of 168503850 in words is "one hundred sixty-eight million, five hundred three thousand, eight hundred fifty".