186651282241 has 2 divisors, whose sum is σ = 186651282242. Its totient is φ = 186651282240.

The previous prime is 186651282239. The next prime is 186651282353. The reversal of 186651282241 is 142282156681.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186507378225 + 143904016 = 431865^2 + 11996^2 .

It is a cyclic number.

It is not a de Polignac number, because 186651282241 - 2¹ = 186651282239 is a prime.

Together with 186651282239, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 186651282191 and 186651282200.

It is not a weakly prime, because it can be changed into another prime (186651282221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93325641120 + 93325641121.

It is an arithmetic number, because the mean of its divisors is an integer number (93325641121).

Almost surely, 2^186651282241 is an apocalyptic number.

It is an amenable number.

186651282241 is a deficient number, since it is larger than the sum of its proper divisors (1).

186651282241 is an equidigital number, since it uses as much as digits as its factorization.

186651282241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 368640, while the sum is 46.

The spelling of 186651282241 in words is "one hundred eighty-six billion, six hundred fifty-one million, two hundred eighty-two thousand, two hundred forty-one".