161134691116 has 18 divisors (see below), whose sum is σ = 328024193028. Its totient is φ = 69057724680.

The previous prime is 161134691089. The next prime is 161134691129. The reversal of 161134691116 is 611196431161.

161134691116 is digitally balanced in base 3, 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 (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 411057690 + ... + 411058081.

Almost surely, 2^161134691116 is an apocalyptic number.

It is an amenable number.

161134691116 is an abundant number, since it is smaller than the sum of its proper divisors (166889501912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161134691116 is a wasteful number, since it uses less digits than its factorization.

161134691116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822115789 (or 822115780 counting only the distinct ones).

The product of its digits is 23328, while the sum is 40.

The spelling of 161134691116 in words is "one hundred sixty-one billion, one hundred thirty-four million, six hundred ninety-one thousand, one hundred sixteen".