663102213 has 16 divisors (see below), whose sum is σ = 924549120. Its totient is φ = 421943984.

The previous prime is 663102199. The next prime is 663102241. The reversal of 663102213 is 312201366.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 663102213 - 2¹⁰ = 663101189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663107213) 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, 23020 + ... + 43082.

It is an arithmetic number, because the mean of its divisors is an integer number (57784320).

Almost surely, 2^663102213 is an apocalyptic number.

It is an amenable number.

663102213 is a deficient number, since it is larger than the sum of its proper divisors (261446907).

663102213 is a wasteful number, since it uses less digits than its factorization.

663102213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20568.

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

The square root of 663102213 is about 25750.7711146676. The cubic root of 663102213 is about 872.0207631373.

Adding to 663102213 its reverse (312201366), we get a palindrome (975303579).

The spelling of 663102213 in words is "six hundred sixty-three million, one hundred two thousand, two hundred thirteen".