218162003461 has 2 divisors, whose sum is σ = 218162003462. Its totient is φ = 218162003460.

The previous prime is 218162003419. The next prime is 218162003483. The reversal of 218162003461 is 164300261812.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182238487236 + 35923516225 = 426894^2 + 189535^2 .

It is a cyclic number.

It is not a de Polignac number, because 218162003461 - 2²¹ = 218159906309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (218162003161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109081001730 + 109081001731.

It is an arithmetic number, because the mean of its divisors is an integer number (109081001731).

Almost surely, 2^218162003461 is an apocalyptic number.

It is an amenable number.

218162003461 is a deficient number, since it is larger than the sum of its proper divisors (1).

218162003461 is an equidigital number, since it uses as much as digits as its factorization.

218162003461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 218162003461 in words is "two hundred eighteen billion, one hundred sixty-two million, three thousand, four hundred sixty-one".