5666416 has 20 divisors (see below), whose sum is σ = 12547312. Its totient is φ = 2428416.

The previous prime is 5666407. The next prime is 5666417. The reversal of 5666416 is 6146665.

5666416 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

5666416 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666417) 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, 25185 + ... + 25408.

Almost surely, 2^5666416 is an apocalyptic number.

5666416 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

5666416 is an abundant number, since it is smaller than the sum of its proper divisors (6880896).

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

5666416 is a wasteful number, since it uses less digits than its factorization.

5666416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50608 (or 50602 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 5666416 is about 2380.4234917342. The cubic root of 5666416 is about 178.2800792065.

Subtracting 5666416 from its reverse (6146665), we obtain a square (480249 = 693²).

The spelling of 5666416 in words is "five million, six hundred sixty-six thousand, four hundred sixteen".