218053136233 has 8 divisors (see below), whose sum is σ = 218475936000. Its totient is φ = 217630556208.

The previous prime is 218053136209. The next prime is 218053136237. The reversal of 218053136233 is 332631350812.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-218053136233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 218053136192 and 218053136201.

It is not an unprimeable number, because it can be changed into a prime (218053136237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2006118 + ... + 2112016.

It is an arithmetic number, because the mean of its divisors is an integer number (27309492000).

Almost surely, 2^218053136233 is an apocalyptic number.

It is an amenable number.

218053136233 is a deficient number, since it is larger than the sum of its proper divisors (422799767).

218053136233 is a wasteful number, since it uses less digits than its factorization.

218053136233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109871.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 218053136233 in words is "two hundred eighteen billion, fifty-three million, one hundred thirty-six thousand, two hundred thirty-three".