218066103 has 12 divisors (see below), whose sum is σ = 315881280. Its totient is φ = 144963456.

The previous prime is 218066081. The next prime is 218066143. The reversal of 218066103 is 301660812.

It is not a de Polignac number, because 218066103 - 2⁵ = 218066071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218066143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31143 + ... + 37496.

It is an arithmetic number, because the mean of its divisors is an integer number (26323440).

Almost surely, 2^218066103 is an apocalyptic number.

218066103 is a deficient number, since it is larger than the sum of its proper divisors (97815177).

218066103 is a wasteful number, since it uses less digits than its factorization.

218066103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68998 (or 68995 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 218066103 is about 14767.0614206077. The cubic root of 218066103 is about 601.9069908883.

The spelling of 218066103 in words is "two hundred eighteen million, sixty-six thousand, one hundred three".