161086136336 has 10 divisors (see below), whose sum is σ = 312104389182. Its totient is φ = 80543068160.

The previous prime is 161086136333. The next prime is 161086136359. The reversal of 161086136336 is 633631680161.

It can be written as a sum of positive squares in only one way, i.e., 159884820736 + 1201315600 = 399856^2 + 34660^2 .

It is not an unprimeable number, because it can be changed into a prime (161086136333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5033941745 + ... + 5033941776.

Almost surely, 2^161086136336 is an apocalyptic number.

161086136336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161086136336 is a deficient number, since it is larger than the sum of its proper divisors (151018252846).

161086136336 is a wasteful number, since it uses less digits than its factorization.

161086136336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10067883529 (or 10067883523 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 161086136336 in words is "one hundred sixty-one billion, eighty-six million, one hundred thirty-six thousand, three hundred thirty-six".