161336424244 has 24 divisors (see below), whose sum is σ = 286589908640. Its totient is φ = 79453905696.

The previous prime is 161336424203. The next prime is 161336424247. The reversal of 161336424244 is 442424633161.

It is a junction number, because it is equal to n+sod(n) for n = 161336424197 and 161336424206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161336424247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2290747 + ... + 2360125.

Almost surely, 2^161336424244 is an apocalyptic number.

It is an amenable number.

161336424244 is a deficient number, since it is larger than the sum of its proper divisors (125253484396).

161336424244 is a wasteful number, since it uses less digits than its factorization.

161336424244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78127 (or 78125 counting only the distinct ones).

The product of its digits is 331776, while the sum is 40.

The spelling of 161336424244 in words is "one hundred sixty-one billion, three hundred thirty-six million, four hundred twenty-four thousand, two hundred forty-four".