218266053 has 8 divisors (see below), whose sum is σ = 306338400. Its totient is φ = 137852208.

The previous prime is 218266051. The next prime is 218266063. The reversal of 218266053 is 350662812.

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

It is not a de Polignac number, because 218266053 - 2¹ = 218266051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218266051) 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 7 ways as a sum of consecutive naturals, for example, 1914558 + ... + 1914671.

It is an arithmetic number, because the mean of its divisors is an integer number (38292300).

Almost surely, 2^218266053 is an apocalyptic number.

It is an amenable number.

218266053 is a deficient number, since it is larger than the sum of its proper divisors (88072347).

218266053 is a wasteful number, since it uses less digits than its factorization.

218266053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3829251.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 218266053 is about 14773.8300044369. The cubic root of 218266053 is about 602.0909023041.

The spelling of 218266053 in words is "two hundred eighteen million, two hundred sixty-six thousand, fifty-three".