218358968 has 16 divisors (see below), whose sum is σ = 409903080. Its totient is φ = 109051488.

The previous prime is 218358967. The next prime is 218358977. The reversal of 218358968 is 869853812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218358967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8546 + ... + 22577.

Almost surely, 2^218358968 is an apocalyptic number.

It is an amenable number.

218358968 is a deficient number, since it is larger than the sum of its proper divisors (191544112).

218358968 is a wasteful number, since it uses less digits than its factorization.

218358968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32006 (or 32002 counting only the distinct ones).

The product of its digits is 829440, while the sum is 50.

The square root of 218358968 is about 14776.9742505020. The cubic root of 218358968 is about 602.1763260931.

It can be divided in two parts, 21835 and 8968, that added together give a palindrome (30803).

The spelling of 218358968 in words is "two hundred eighteen million, three hundred fifty-eight thousand, nine hundred sixty-eight".