6663485 has 8 divisors (see below), whose sum is σ = 8115936. Its totient is φ = 5250960.

The previous prime is 6663469. The next prime is 6663487. The reversal of 6663485 is 5843666.

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

It is not a de Polignac number, because 6663485 - 2⁴ = 6663469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6663487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9611 + ... + 10280.

It is an arithmetic number, because the mean of its divisors is an integer number (1014492).

Almost surely, 2^6663485 is an apocalyptic number.

It is an amenable number.

6663485 is a deficient number, since it is larger than the sum of its proper divisors (1452451).

6663485 is a wasteful number, since it uses less digits than its factorization.

6663485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19963.

The product of its digits is 103680, while the sum is 38.

The square root of 6663485 is about 2581.3726968417. The cubic root of 6663485 is about 188.1772603822.

The spelling of 6663485 in words is "six million, six hundred sixty-three thousand, four hundred eighty-five".