218860332341 has 4 divisors (see below), whose sum is σ = 250126094112. Its totient is φ = 187594570572.

The previous prime is 218860332337. The next prime is 218860332343. The reversal of 218860332341 is 143233068812.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 218860332341 - 2² = 218860332337 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218860332343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15632880875 + ... + 15632880888.

It is an arithmetic number, because the mean of its divisors is an integer number (62531523528).

Almost surely, 2^218860332341 is an apocalyptic number.

It is an amenable number.

218860332341 is a deficient number, since it is larger than the sum of its proper divisors (31265761771).

218860332341 is an equidigital number, since it uses as much as digits as its factorization.

218860332341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31265761770.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 218860332341 in words is "two hundred eighteen billion, eight hundred sixty million, three hundred thirty-two thousand, three hundred forty-one".