6485666 has 8 divisors (see below), whose sum is σ = 10612944. Its totient is φ = 2948020.

The previous prime is 6485659. The next prime is 6485681. The reversal of 6485666 is 6665846.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147380 + ... + 147423.

It is an arithmetic number, because the mean of its divisors is an integer number (1326618).

Almost surely, 2^6485666 is an apocalyptic number.

6485666 is a deficient number, since it is larger than the sum of its proper divisors (4127278).

6485666 is a wasteful number, since it uses less digits than its factorization.

6485666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294816.

The product of its digits is 207360, while the sum is 41.

The square root of 6485666 is about 2546.6970766073. The cubic root of 6485666 is about 186.4882727354.

The spelling of 6485666 in words is "six million, four hundred eighty-five thousand, six hundred sixty-six".