955538161 has 2 divisors, whose sum is σ = 955538162. Its totient is φ = 955538160.

The previous prime is 955538123. The next prime is 955538183. The reversal of 955538161 is 161835559.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 814759936 + 140778225 = 28544^2 + 11865^2 .

It is a cyclic number.

It is not a de Polignac number, because 955538161 - 2⁷ = 955538033 is a prime.

It is not a weakly prime, because it can be changed into another prime (955538191) 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, 477769080 + 477769081.

It is an arithmetic number, because the mean of its divisors is an integer number (477769081).

Almost surely, 2^955538161 is an apocalyptic number.

It is an amenable number.

955538161 is a deficient number, since it is larger than the sum of its proper divisors (1).

955538161 is an equidigital number, since it uses as much as digits as its factorization.

955538161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 43.

The square root of 955538161 is about 30911.7802948973. The cubic root of 955538161 is about 984.9541445838.

The spelling of 955538161 in words is "nine hundred fifty-five million, five hundred thirty-eight thousand, one hundred sixty-one".