4524591657161 has 2 divisors, whose sum is σ = 4524591657162. Its totient is φ = 4524591657160.

The previous prime is 4524591657097. The next prime is 4524591657181. The reversal of 4524591657161 is 1617561954254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3920621763136 + 603969894025 = 1980056^2 + 777155^2 .

It is a cyclic number.

It is not a de Polignac number, because 4524591657161 - 2⁶ = 4524591657097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4524591657097 and 4524591657106.

It is not a weakly prime, because it can be changed into another prime (4524591657181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2262295828580 + 2262295828581.

It is an arithmetic number, because the mean of its divisors is an integer number (2262295828581).

Almost surely, 2^{4524591657161} is an apocalyptic number.

It is an amenable number.

4524591657161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4524591657161 is an equidigital number, since it uses as much as digits as its factorization.

4524591657161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072000, while the sum is 56.

The spelling of 4524591657161 in words is "four trillion, five hundred twenty-four billion, five hundred ninety-one million, six hundred fifty-seven thousand, one hundred sixty-one".