5666678 has 8 divisors (see below), whose sum is σ = 9000072. Its totient is φ = 2666656.

The previous prime is 5666677. The next prime is 5666681. The reversal of 5666678 is 8766665.

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

It is a super-2 number, since 2×5666678² = 64222479111368, which contains 22 as substring.

It is a plaindrome in base 10.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 83300 + ... + 83367.

It is an arithmetic number, because the mean of its divisors is an integer number (1125009).

Almost surely, 2^5666678 is an apocalyptic number.

5666678 is a deficient number, since it is larger than the sum of its proper divisors (3333394).

5666678 is a wasteful number, since it uses less digits than its factorization.

5666678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166686.

The product of its digits is 362880, while the sum is 44.

The square root of 5666678 is about 2380.4785233226. The cubic root of 5666678 is about 178.2828268964.

The spelling of 5666678 in words is "five million, six hundred sixty-six thousand, six hundred seventy-eight".