161313443654396 has 48 divisors (see below), whose sum is σ = 309121173190368. Its totient is φ = 73048480876800.

The previous prime is 161313443654371. The next prime is 161313443654513. The reversal of 161313443654396 is 693456344313161.

It is a happy number.

161313443654396 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34697246 + ... + 39070778.

It is an arithmetic number, because the mean of its divisors is an integer number (6440024441466).

Almost surely, 2^{161313443654396} is an apocalyptic number.

It is an amenable number.

161313443654396 is a deficient number, since it is larger than the sum of its proper divisors (147807729535972).

161313443654396 is a wasteful number, since it uses less digits than its factorization.

161313443654396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4376702 (or 4376700 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 59.

The spelling of 161313443654396 in words is "one hundred sixty-one trillion, three hundred thirteen billion, four hundred forty-three million, six hundred fifty-four thousand, three hundred ninety-six".