218135455336 has 32 divisors (see below), whose sum is σ = 427086354240. Its totient is φ = 104252418688.

The previous prime is 218135455297. The next prime is 218135455393. The reversal of 218135455336 is 633554531812.

218135455336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152821 + ... + 677956.

It is an arithmetic number, because the mean of its divisors is an integer number (13346448570).

Almost surely, 2^218135455336 is an apocalyptic number.

It is an amenable number.

218135455336 is a deficient number, since it is larger than the sum of its proper divisors (208950898904).

218135455336 is a wasteful number, since it uses less digits than its factorization.

218135455336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832233 (or 832229 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 46.

The spelling of 218135455336 in words is "two hundred eighteen billion, one hundred thirty-five million, four hundred fifty-five thousand, three hundred thirty-six".