5668641 has 12 divisors (see below), whose sum is σ = 8932560. Its totient is φ = 3435480.

The previous prime is 5668639. The next prime is 5668673. The reversal of 5668641 is 1468665.

5668641 is a `hidden beast` number, since 5 + 6 + 6 + 8 + 641 = 666.

It is not a de Polignac number, because 5668641 - 2¹ = 5668639 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5668596 and 5668605.

It is not an unprimeable number, because it can be changed into a prime (5668681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28531 + ... + 28728.

It is an arithmetic number, because the mean of its divisors is an integer number (744380).

Almost surely, 2^5668641 is an apocalyptic number.

It is an amenable number.

5668641 is a deficient number, since it is larger than the sum of its proper divisors (3263919).

5668641 is a wasteful number, since it uses less digits than its factorization.

5668641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57276 (or 57273 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 5668641 is about 2380.8907996798. The cubic root of 5668641 is about 178.3034109014.

The spelling of 5668641 in words is "five million, six hundred sixty-eight thousand, six hundred forty-one".