161061346036 has 6 divisors (see below), whose sum is σ = 281857355570. Its totient is φ = 80530673016.

The previous prime is 161061346009. The next prime is 161061346049. The reversal of 161061346036 is 630643160161.

It can be written as a sum of positive squares in only one way, i.e., 90733488400 + 70327857636 = 301220^2 + 265194^2 .

It is a junction number, because it is equal to n+sod(n) for n = 161061345986 and 161061346004.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 20132668251 + ... + 20132668258.

Almost surely, 2^161061346036 is an apocalyptic number.

It is an amenable number.

161061346036 is a deficient number, since it is larger than the sum of its proper divisors (120796009534).

161061346036 is a wasteful number, since it uses less digits than its factorization.

161061346036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40265336513 (or 40265336511 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 161061346036 in words is "one hundred sixty-one billion, sixty-one million, three hundred forty-six thousand, thirty-six".