168047286 has 64 divisors (see below), whose sum is σ = 399340800. Its totient is φ = 46569600.

The previous prime is 168047221. The next prime is 168047291. The reversal of 168047286 is 682740861.

168047286 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 34056 + ... + 38676.

It is an arithmetic number, because the mean of its divisors is an integer number (6239700).

Almost surely, 2^168047286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168047286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199670400).

168047286 is an abundant number, since it is smaller than the sum of its proper divisors (231293514).

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

168047286 is a wasteful number, since it uses less digits than its factorization.

168047286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 168047286 is about 12963.3053655308. The cubic root of 168047286 is about 551.8365996614.

It can be divided in two parts, 16804 and 7286, that added together give a triangular number (24090 = T₂₁₉).

The spelling of 168047286 in words is "one hundred sixty-eight million, forty-seven thousand, two hundred eighty-six".