168892812 has 72 divisors (see below), whose sum is σ = 472372992. Its totient is φ = 50450400.

The previous prime is 168892793. The next prime is 168892819. The reversal of 168892812 is 218298861.

It is a happy number.

168892812 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (168892819) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25113 + ... + 31119.

It is an arithmetic number, because the mean of its divisors is an integer number (6560736).

Almost surely, 2^168892812 is an apocalyptic number.

168892812 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 168892812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236186496).

168892812 is an abundant number, since it is smaller than the sum of its proper divisors (303480180).

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

168892812 is a wasteful number, since it uses less digits than its factorization.

168892812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6099 (or 6094 counting only the distinct ones).

The product of its digits is 110592, while the sum is 45.

The square root of 168892812 is about 12995.8767307173. The cubic root of 168892812 is about 552.7605694058.

It can be divided in two parts, 16889 and 2812, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 168892812 in words is "one hundred sixty-eight million, eight hundred ninety-two thousand, eight hundred twelve".