201766118363 has 2 divisors, whose sum is σ = 201766118364. Its totient is φ = 201766118362.

The previous prime is 201766118347. The next prime is 201766118431. The reversal of 201766118363 is 363811667102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201766118363 - 2⁴ = 201766118347 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (201766118863) 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, 100883059181 + 100883059182.

It is an arithmetic number, because the mean of its divisors is an integer number (100883059182).

Almost surely, 2^201766118363 is an apocalyptic number.

201766118363 is a deficient number, since it is larger than the sum of its proper divisors (1).

201766118363 is an equidigital number, since it uses as much as digits as its factorization.

201766118363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 201766118363 in words is "two hundred one billion, seven hundred sixty-six million, one hundred eighteen thousand, three hundred sixty-three".