5640168 has 16 divisors (see below), whose sum is σ = 14100480. Its totient is φ = 1880048.

The previous prime is 5640163. The next prime is 5640211. The reversal of 5640168 is 8610465.

5640168 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×5640168² = 63622990136448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5640163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117480 + ... + 117527.

It is an arithmetic number, because the mean of its divisors is an integer number (881280).

Almost surely, 2^5640168 is an apocalyptic number.

It is an amenable number.

5640168 is an abundant number, since it is smaller than the sum of its proper divisors (8460312).

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

5640168 is a wasteful number, since it uses less digits than its factorization.

5640168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235016 (or 235012 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 5640168 is about 2374.9037875249. The cubic root of 5640168 is about 178.0043764442.

The spelling of 5640168 in words is "five million, six hundred forty thousand, one hundred sixty-eight".