1959036161 has 2 divisors, whose sum is σ = 1959036162. Its totient is φ = 1959036160.

The previous prime is 1959036137. The next prime is 1959036203. The reversal of 1959036161 is 1616309591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1940931136 + 18105025 = 44056^2 + 4255^2 .

It is a cyclic number.

It is not a de Polignac number, because 1959036161 - 2³⁰ = 885294337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1959036061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 979518080 + 979518081.

It is an arithmetic number, because the mean of its divisors is an integer number (979518081).

Almost surely, 2^1959036161 is an apocalyptic number.

It is an amenable number.

1959036161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1959036161 is an equidigital number, since it uses as much as digits as its factorization.

1959036161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 1959036161 is about 44261.0004518651. Note that the first 3 decimals coincide. The cubic root of 1959036161 is about 1251.2597776218.

The spelling of 1959036161 in words is "one billion, nine hundred fifty-nine million, thirty-six thousand, one hundred sixty-one".