161047759716 has 36 divisors (see below), whose sum is σ = 407139292924. Its totient is φ = 53676475200.

The previous prime is 161047759709. The next prime is 161047759729. The reversal of 161047759716 is 617957740161.

161047759716 is a `hidden beast` number, since 1 + 6 + 1 + 0 + 47 + 7 + 597 + 1 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 91478422116 + 69569337600 = 302454^2 + 263760^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71706 + ... + 572046.

Almost surely, 2^161047759716 is an apocalyptic number.

It is an amenable number.

161047759716 is an abundant number, since it is smaller than the sum of its proper divisors (246091533208).

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

161047759716 is a wasteful number, since it uses less digits than its factorization.

161047759716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509292 (or 509287 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 54.

The spelling of 161047759716 in words is "one hundred sixty-one billion, forty-seven million, seven hundred fifty-nine thousand, seven hundred sixteen".