161053620513424 has 20 divisors (see below), whose sum is σ = 312045788813740. Its totient is φ = 80525675013120.

The previous prime is 161053620513389. The next prime is 161053620513469. The reversal of 161053620513424 is 424315026350161.

161053620513424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 36111301895824 + 124942318617600 = 6009268^2 + 11177760^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69781737 + ... + 72052744.

It is an arithmetic number, because the mean of its divisors is an integer number (15602289440687).

Almost surely, 2^{161053620513424} is an apocalyptic number.

It is an amenable number.

161053620513424 is a deficient number, since it is larger than the sum of its proper divisors (150992168300316).

161053620513424 is a wasteful number, since it uses less digits than its factorization.

161053620513424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141905458 (or 141905452 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

Adding to 161053620513424 its reverse (424315026350161), we get a palindrome (585368646863585).

The spelling of 161053620513424 in words is "one hundred sixty-one trillion, fifty-three billion, six hundred twenty million, five hundred thirteen thousand, four hundred twenty-four".