218066326 has 8 divisors (see below), whose sum is σ = 327294504. Its totient is φ = 108968160.

The previous prime is 218066291. The next prime is 218066339. The reversal of 218066326 is 623660812.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 218066291 and 218066300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28195 + ... + 35086.

It is an arithmetic number, because the mean of its divisors is an integer number (40911813).

Almost surely, 2^218066326 is an apocalyptic number.

218066326 is a deficient number, since it is larger than the sum of its proper divisors (109228178).

218066326 is a wasteful number, since it uses less digits than its factorization.

218066326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65006.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 218066326 is about 14767.0689711940. The cubic root of 218066326 is about 601.9071960634.

The spelling of 218066326 in words is "two hundred eighteen million, sixty-six thousand, three hundred twenty-six".