366118481 has 2 divisors, whose sum is σ = 366118482. Its totient is φ = 366118480.

The previous prime is 366118471. The next prime is 366118507. The reversal of 366118481 is 184811663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 256288081 + 109830400 = 16009^2 + 10480^2 .

It is a cyclic number.

It is not a de Polignac number, because 366118481 - 2²² = 361924177 is a prime.

It is a super-2 number, since 2×366118481² = 268085484259494722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (366118471) 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 as a sum of consecutive naturals, namely, 183059240 + 183059241.

It is an arithmetic number, because the mean of its divisors is an integer number (183059241).

Almost surely, 2^366118481 is an apocalyptic number.

It is an amenable number.

366118481 is a deficient number, since it is larger than the sum of its proper divisors (1).

366118481 is an equidigital number, since it uses as much as digits as its factorization.

366118481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 38.

The square root of 366118481 is about 19134.2227696868. Note that the first 3 decimals coincide. The cubic root of 366118481 is about 715.3861874488.

The spelling of 366118481 in words is "three hundred sixty-six million, one hundred eighteen thousand, four hundred eighty-one".