6663085 has 16 divisors (see below), whose sum is σ = 9394560. Its totient is φ = 4472640.

The previous prime is 6663079. The next prime is 6663089. The reversal of 6663085 is 5803666.

It is not a de Polignac number, because 6663085 - 2¹¹ = 6661037 is a prime.

6663085 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6663085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6663089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3945 + ... + 5374.

It is an arithmetic number, because the mean of its divisors is an integer number (587160).

Almost surely, 2^6663085 is an apocalyptic number.

6663085 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6663085 is a deficient number, since it is larger than the sum of its proper divisors (2731475).

6663085 is a wasteful number, since it uses less digits than its factorization.

6663085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9348.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 6663085 is about 2581.2952175216. The cubic root of 6663085 is about 188.1734949647.

The spelling of 6663085 in words is "six million, six hundred sixty-three thousand, eighty-five".