161784969932 has 12 divisors (see below), whose sum is σ = 284465517336. Its totient is φ = 80509107840.

The previous prime is 161784969919. The next prime is 161784969947. The reversal of 161784969932 is 239969487161.

161784969932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 95843333 + ... + 95845020.

It is an arithmetic number, because the mean of its divisors is an integer number (23705459778).

Almost surely, 2^161784969932 is an apocalyptic number.

It is an amenable number.

161784969932 is a deficient number, since it is larger than the sum of its proper divisors (122680547404).

161784969932 is a wasteful number, since it uses less digits than its factorization.

161784969932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191688568 (or 191688566 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 65.

The spelling of 161784969932 in words is "one hundred sixty-one billion, seven hundred eighty-four million, nine hundred sixty-nine thousand, nine hundred thirty-two".