218295016 has 8 divisors (see below), whose sum is σ = 409303170. Its totient is φ = 109147504.

The previous prime is 218294981. The next prime is 218295019. The reversal of 218295016 is 610592812.

It can be written as a sum of positive squares in only one way, i.e., 198528100 + 19766916 = 14090^2 + 4446^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (218295019) 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 as a sum of consecutive naturals, namely, 13643431 + ... + 13643446.

Almost surely, 2^218295016 is an apocalyptic number.

It is an amenable number.

218295016 is a deficient number, since it is larger than the sum of its proper divisors (191008154).

218295016 is a wasteful number, since it uses less digits than its factorization.

218295016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27286883 (or 27286879 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 218295016 is about 14774.8101849059. The cubic root of 218295016 is about 602.1175327814.

The spelling of 218295016 in words is "two hundred eighteen million, two hundred ninety-five thousand, sixteen".