168009712 has 40 divisors (see below), whose sum is σ = 352477440. Its totient is φ = 77118720.

The previous prime is 168009701. The next prime is 168009749. The reversal of 168009712 is 217900861.

It is a happy number.

168009712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37614 + ... + 41842.

It is an arithmetic number, because the mean of its divisors is an integer number (8811936).

Almost surely, 2^168009712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168009712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176238720).

168009712 is an abundant number, since it is smaller than the sum of its proper divisors (184467728).

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

168009712 is a wasteful number, since it uses less digits than its factorization.

168009712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441 (or 4435 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 168009712 is about 12961.8560399350. The cubic root of 168009712 is about 551.7954678775.

The spelling of 168009712 in words is "one hundred sixty-eight million, nine thousand, seven hundred twelve".