168112404 has 36 divisors (see below), whose sum is σ = 427422996. Its totient is φ = 55711488.

The previous prime is 168112403. The next prime is 168112453. The reversal of 168112404 is 404211861.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 76527504 + 91584900 = 8748^2 + 9570^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168112403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7269 + ... + 19724.

It is an arithmetic number, because the mean of its divisors is an integer number (11872861).

Almost surely, 2^168112404 is an apocalyptic number.

It is an amenable number.

168112404 is an abundant number, since it is smaller than the sum of its proper divisors (259310592).

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

168112404 is a wasteful number, since it uses less digits than its factorization.

168112404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27176 (or 27171 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 168112404 is about 12965.8167502090. The cubic root of 168112404 is about 551.9078689969.

The spelling of 168112404 in words is "one hundred sixty-eight million, one hundred twelve thousand, four hundred four".