84180168 has 32 divisors (see below), whose sum is σ = 233834400. Its totient is φ = 28059984.

The previous prime is 84180163. The next prime is 84180179. The reversal of 84180168 is 86108148.

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

It is not an unprimeable number, because it can be changed into a prime (84180163) 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 7 ways as a sum of consecutive naturals, for example, 194646 + ... + 195077.

It is an arithmetic number, because the mean of its divisors is an integer number (7307325).

Almost surely, 2^84180168 is an apocalyptic number.

It is an amenable number.

84180168 is an abundant number, since it is smaller than the sum of its proper divisors (149654232).

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

84180168 is a wasteful number, since it uses less digits than its factorization.

84180168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389738 (or 389728 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 84180168 is about 9174.9750953340. The cubic root of 84180168 is about 438.2648051567.

It can be divided in two parts, 84180 and 168, that added together give a palindrome (84348).

The spelling of 84180168 in words is "eighty-four million, one hundred eighty thousand, one hundred sixty-eight".