168086412 has 144 divisors (see below), whose sum is σ = 498449952. Its totient is φ = 47278080.

The previous prime is 168086383. The next prime is 168086423. The reversal of 168086412 is 214680861.

168086412 is a `hidden beast` number, since 1 + 6 + 8 + 0 + 8 + 641 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 294087 + ... + 294657.

It is an arithmetic number, because the mean of its divisors is an integer number (3461458).

Almost surely, 2^168086412 is an apocalyptic number.

168086412 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 168086412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249224976).

168086412 is an abundant number, since it is smaller than the sum of its proper divisors (330363540).

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

168086412 is a wasteful number, since it uses less digits than its factorization.

168086412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 168086412 is about 12964.8143835537. The cubic root of 168086412 is about 551.8794238844.

It can be divided in two parts, 16808 and 6412, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 168086412 in words is "one hundred sixty-eight million, eighty-six thousand, four hundred twelve".