5718666 has 8 divisors (see below), whose sum is σ = 11437344. Its totient is φ = 1906220.

The previous prime is 5718659. The next prime is 5718667. The reversal of 5718666 is 6668175.

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

5718666 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (5718667) 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, 476550 + ... + 476561.

It is an arithmetic number, because the mean of its divisors is an integer number (1429668).

Almost surely, 2^5718666 is an apocalyptic number.

5718666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5718666 is a wasteful number, since it uses less digits than its factorization.

5718666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953116.

The product of its digits is 60480, while the sum is 39.

The square root of 5718666 is about 2391.3732456478. The cubic root of 5718666 is about 178.8263768022.

The spelling of 5718666 in words is "five million, seven hundred eighteen thousand, six hundred sixty-six".