5666667 has 8 divisors (see below), whose sum is σ = 7613760. Its totient is φ = 3748680.

The previous prime is 5666641. The next prime is 5666677. The reversal of 5666667 is 7666665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5666667 - 2⁷ = 5666539 is a prime.

It is a super-2 number, since 2×5666667² = 64222229777778, which contains 22 as substring.

5666667 is a lucky number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (5666677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6817 + ... + 7602.

It is an arithmetic number, because the mean of its divisors is an integer number (951720).

Almost surely, 2^5666667 is an apocalyptic number.

5666667 is a deficient number, since it is larger than the sum of its proper divisors (1947093).

5666667 is a wasteful number, since it uses less digits than its factorization.

5666667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14553.

The product of its digits is 272160, while the sum is 42.

The square root of 5666667 is about 2380.4762128616. The cubic root of 5666667 is about 178.2827115371.

The spelling of 5666667 in words is "five million, six hundred sixty-six thousand, six hundred sixty-seven".