218426968 has 32 divisors (see below), whose sum is σ = 422769600. Its totient is φ = 105744672.

The previous prime is 218426951. The next prime is 218427007. The reversal of 218426968 is 869624812.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28171 + ... + 35077.

It is an arithmetic number, because the mean of its divisors is an integer number (13211550).

Almost surely, 2^218426968 is an apocalyptic number.

It is an amenable number.

218426968 is a deficient number, since it is larger than the sum of its proper divisors (204342632).

218426968 is a wasteful number, since it uses less digits than its factorization.

218426968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7039 (or 7035 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 218426968 is about 14779.2749483863. The cubic root of 218426968 is about 602.2388282819.

The spelling of 218426968 in words is "two hundred eighteen million, four hundred twenty-six thousand, nine hundred sixty-eight".