10218663 has 32 divisors (see below), whose sum is σ = 18636800. Its totient is φ = 5388768.

The previous prime is 10218653. The next prime is 10218679. The reversal of 10218663 is 36681201.

It is not a de Polignac number, because 10218663 - 2¹⁴ = 10202279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10218653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378 + ... + 4536.

It is an arithmetic number, because the mean of its divisors is an integer number (582400).

Almost surely, 2^10218663 is an apocalyptic number.

10218663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10218663 is a deficient number, since it is larger than the sum of its proper divisors (8418137).

10218663 is a wasteful number, since it uses less digits than its factorization.

10218663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4188 (or 4182 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 10218663 is about 3196.6643552303. The cubic root of 10218663 is about 217.0024775496.

Adding to 10218663 its reverse (36681201), we get a palindrome (46899864).

The spelling of 10218663 in words is "ten million, two hundred eighteen thousand, six hundred sixty-three".