161126671126 has 12 divisors (see below), whose sum is σ = 256743364428. Its totient is φ = 75824315552.

The previous prime is 161126671067. The next prime is 161126671127. The reversal of 161126671126 is 621176621161.

161126671126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161126671127) 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 5 ways as a sum of consecutive naturals, for example, 139382356 + ... + 139383511.

It is an arithmetic number, because the mean of its divisors is an integer number (21395280369).

Almost surely, 2^161126671126 is an apocalyptic number.

161126671126 is a deficient number, since it is larger than the sum of its proper divisors (95616693302).

161126671126 is a wasteful number, since it uses less digits than its factorization.

161126671126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278765903 (or 278765886 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The spelling of 161126671126 in words is "one hundred sixty-one billion, one hundred twenty-six million, six hundred seventy-one thousand, one hundred twenty-six".