4565666 has 8 divisors (see below), whose sum is σ = 7826880. Its totient is φ = 1956708.

The previous prime is 4565663. The next prime is 4565669. The reversal of 4565666 is 6665654.

It is an interprime number because it is at equal distance from previous prime (4565663) and next prime (4565669).

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4565663) 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, 163046 + ... + 163073.

It is an arithmetic number, because the mean of its divisors is an integer number (978360).

Almost surely, 2^4565666 is an apocalyptic number.

4565666 is a deficient number, since it is larger than the sum of its proper divisors (3261214).

4565666 is a wasteful number, since it uses less digits than its factorization.

4565666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326128.

The product of its digits is 129600, while the sum is 38.

The square root of 4565666 is about 2136.7419123516. The cubic root of 4565666 is about 165.8955408030.

The spelling of 4565666 in words is "four million, five hundred sixty-five thousand, six hundred sixty-six".