10643218 has 8 divisors (see below), whose sum is σ = 16203312. Its totient is φ = 5242116.

The previous prime is 10643209. The next prime is 10643221. The reversal of 10643218 is 81234601.

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

It is a super-2 number, since 2×10643218² = 226556178791048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10643192 and 10643201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39580 + ... + 39847.

It is an arithmetic number, because the mean of its divisors is an integer number (2025414).

Almost surely, 2^10643218 is an apocalyptic number.

10643218 is a deficient number, since it is larger than the sum of its proper divisors (5560094).

10643218 is an equidigital number, since it uses as much as digits as its factorization.

10643218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79496.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 10643218 is about 3262.3945193676. The cubic root of 10643218 is about 219.9670611843.

Adding to 10643218 its reverse (81234601), we get a palindrome (91877819).

The spelling of 10643218 in words is "ten million, six hundred forty-three thousand, two hundred eighteen".