94217898161 has 2 divisors, whose sum is σ = 94217898162. Its totient is φ = 94217898160.

The previous prime is 94217898143. The next prime is 94217898169. The reversal of 94217898161 is 16189871249.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90465600625 + 3752297536 = 300775^2 + 61256^2 .

It is a cyclic number.

It is not a de Polignac number, because 94217898161 - 2⁶ = 94217898097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 94217898097 and 94217898106.

It is not a weakly prime, because it can be changed into another prime (94217898169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47108949080 + 47108949081.

It is an arithmetic number, because the mean of its divisors is an integer number (47108949081).

Almost surely, 2^94217898161 is an apocalyptic number.

It is an amenable number.

94217898161 is a deficient number, since it is larger than the sum of its proper divisors (1).

94217898161 is an equidigital number, since it uses as much as digits as its factorization.

94217898161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 56.

The spelling of 94217898161 in words is "ninety-four billion, two hundred seventeen million, eight hundred ninety-eight thousand, one hundred sixty-one".