5643616 has 24 divisors (see below), whose sum is σ = 12121704. Its totient is φ = 2565120.

The previous prime is 5643613. The next prime is 5643623. The reversal of 5643616 is 6163465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5643613) 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, 7665 + ... + 8368.

It is an arithmetic number, because the mean of its divisors is an integer number (505071).

Almost surely, 2^5643616 is an apocalyptic number.

It is an amenable number.

5643616 is an abundant number, since it is smaller than the sum of its proper divisors (6478088).

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

5643616 is a wasteful number, since it uses less digits than its factorization.

5643616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16054 (or 16046 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 5643616 is about 2375.6296007585. The cubic root of 5643616 is about 178.0406421525.

The spelling of 5643616 in words is "five million, six hundred forty-three thousand, six hundred sixteen".