948656161 has 2 divisors, whose sum is σ = 948656162. Its totient is φ = 948656160.

The previous prime is 948656143. The next prime is 948656167. The reversal of 948656161 is 161656849.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 917787025 + 30869136 = 30295^2 + 5556^2 .

It is a cyclic number.

It is not a de Polignac number, because 948656161 - 2⁹ = 948655649 is a prime.

It is not a weakly prime, because it can be changed into another prime (948656167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474328080 + 474328081.

It is an arithmetic number, because the mean of its divisors is an integer number (474328081).

Almost surely, 2^948656161 is an apocalyptic number.

It is an amenable number.

948656161 is a deficient number, since it is larger than the sum of its proper divisors (1).

948656161 is an equidigital number, since it uses as much as digits as its factorization.

948656161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 46.

The square root of 948656161 is about 30800.2623527788. The cubic root of 948656161 is about 982.5838247494.

The spelling of 948656161 in words is "nine hundred forty-eight million, six hundred fifty-six thousand, one hundred sixty-one".