161048704052 has 48 divisors (see below), whose sum is σ = 299063938320. Its totient is φ = 75749990400.

The previous prime is 161048704051. The next prime is 161048704079. The reversal of 161048704052 is 250407840161.

It can be written as a sum of positive squares in 8 ways, for example, as 44354044816 + 116694659236 = 210604^2 + 341606^2 .

It is a junction number, because it is equal to n+sod(n) for n = 161048703997 and 161048704015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161048704051) 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 in 15 ways as a sum of consecutive naturals, for example, 3597068 + ... + 3641564.

It is an arithmetic number, because the mean of its divisors is an integer number (6230498715).

Almost surely, 2^161048704052 is an apocalyptic number.

It is an amenable number.

161048704052 is a deficient number, since it is larger than the sum of its proper divisors (138015234268).

161048704052 is a wasteful number, since it uses less digits than its factorization.

161048704052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45332 (or 45330 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 161048704052 in words is "one hundred sixty-one billion, forty-eight million, seven hundred four thousand, fifty-two".