363703772161 has 2 divisors, whose sum is σ = 363703772162. Its totient is φ = 363703772160.

The previous prime is 363703772141. The next prime is 363703772167. The reversal of 363703772161 is 161277307363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202054745025 + 161649027136 = 449505^2 + 402056^2 .

It is a cyclic number.

It is not a de Polignac number, because 363703772161 - 2¹¹ = 363703770113 is a prime.

It is not a weakly prime, because it can be changed into another prime (363703772167) 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, 181851886080 + 181851886081.

It is an arithmetic number, because the mean of its divisors is an integer number (181851886081).

Almost surely, 2^363703772161 is an apocalyptic number.

It is an amenable number.

363703772161 is a deficient number, since it is larger than the sum of its proper divisors (1).

363703772161 is an equidigital number, since it uses as much as digits as its factorization.

363703772161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 666792, while the sum is 46.

The spelling of 363703772161 in words is "three hundred sixty-three billion, seven hundred three million, seven hundred seventy-two thousand, one hundred sixty-one".