13644168 has 32 divisors (see below), whose sum is σ = 34200960. Its totient is φ = 4536000.

The previous prime is 13644143. The next prime is 13644173. The reversal of 13644168 is 86144631.

It is a nude number because it is divisible by every one of its digits.

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, 17646 + ... + 18402.

It is an arithmetic number, because the mean of its divisors is an integer number (1068780).

Almost surely, 2^13644168 is an apocalyptic number.

It is an amenable number.

13644168 is an abundant number, since it is smaller than the sum of its proper divisors (20556792).

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

13644168 is a wasteful number, since it uses less digits than its factorization.

13644168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517 (or 1513 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 13644168 is about 3693.8012940601. The cubic root of 13644168 is about 238.9547599694.

Adding to 13644168 its reverse (86144631), we get a palindrome (99788799).

The spelling of 13644168 in words is "thirteen million, six hundred forty-four thousand, one hundred sixty-eight".