75352257316161 has 20 divisors (see below), whose sum is σ = 128643712667712. Its totient is φ = 43058432751768.

The previous prime is 75352257316159. The next prime is 75352257316241. The reversal of 75352257316161 is 16161375225357.

75352257316161 is a `hidden beast` number, since 7 + 5 + 3 + 5 + 2 + 2 + 573 + 1 + 6 + 1 + 61 = 666.

It is not a de Polignac number, because 75352257316161 - 2¹ = 75352257316159 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 75352257316098 and 75352257316107.

It is not an unprimeable number, because it can be changed into a prime (75352257316361) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 66448198125 + ... + 66448199258.

Almost surely, 2^{75352257316161} is an apocalyptic number.

It is an amenable number.

75352257316161 is a deficient number, since it is larger than the sum of its proper divisors (53291455351551).

75352257316161 is a wasteful number, since it uses less digits than its factorization.

75352257316161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132896397402 (or 132896397393 counting only the distinct ones).

The product of its digits is 7938000, while the sum is 54.

The spelling of 75352257316161 in words is "seventy-five trillion, three hundred fifty-two billion, two hundred fifty-seven million, three hundred sixteen thousand, one hundred sixty-one".