6663201 has 8 divisors (see below), whose sum is σ = 9406944. Its totient is φ = 4180800.

The previous prime is 6663193. The next prime is 6663203. The reversal of 6663201 is 1023666.

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

It is not a de Polignac number, because 6663201 - 2³ = 6663193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6663203) 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, 65275 + ... + 65376.

It is an arithmetic number, because the mean of its divisors is an integer number (1175868).

Almost surely, 2^6663201 is an apocalyptic number.

It is an amenable number.

6663201 is a deficient number, since it is larger than the sum of its proper divisors (2743743).

6663201 is a wasteful number, since it uses less digits than its factorization.

6663201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130671.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 6663201 is about 2581.3176867639. The cubic root of 6663201 is about 188.1745869513.

Adding to 6663201 its reverse (1023666), we get a palindrome (7686867).

The spelling of 6663201 in words is "six million, six hundred sixty-three thousand, two hundred one".