161760791012 has 12 divisors (see below), whose sum is σ = 283185745836. Its totient is φ = 80850577920.

The previous prime is 161760791011. The next prime is 161760791021. The reversal of 161760791012 is 210197067161.

161760791012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 85764636736 + 75996154276 = 292856^2 + 275674^2 .

It is not an unprimeable number, because it can be changed into a prime (161760791011) 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 3 ways as a sum of consecutive naturals, for example, 7442189 + ... + 7463892.

It is an arithmetic number, because the mean of its divisors is an integer number (23598812153).

Almost surely, 2^161760791012 is an apocalyptic number.

It is an amenable number.

161760791012 is a deficient number, since it is larger than the sum of its proper divisors (121424954824).

161760791012 is a wasteful number, since it uses less digits than its factorization.

161760791012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14908798 (or 14908796 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 41.

The spelling of 161760791012 in words is "one hundred sixty-one billion, seven hundred sixty million, seven hundred ninety-one thousand, twelve".