846615466161 has 12 divisors (see below), whose sum is σ = 1222902135988. Its totient is φ = 564404251104.

The previous prime is 846615466129. The next prime is 846615466163. The reversal of 846615466161 is 161664516648.

846615466161 is a `hidden beast` number, since 8 + 4 + 6 + 6 + 15 + 4 + 6 + 616 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 422220546225 + 424394919936 = 649785^2 + 651456^2 .

It is not a de Polignac number, because 846615466161 - 2⁵ = 846615466129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 846615466098 and 846615466107.

It is not an unprimeable number, because it can be changed into a prime (846615466163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 481251 + ... + 1387383.

Almost surely, 2^846615466161 is an apocalyptic number.

It is an amenable number.

846615466161 is a deficient number, since it is larger than the sum of its proper divisors (376286669827).

846615466161 is a wasteful number, since it uses less digits than its factorization.

846615466161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009952 (or 1009949 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The spelling of 846615466161 in words is "eight hundred forty-six billion, six hundred fifteen million, four hundred sixty-six thousand, one hundred sixty-one".