161130924517 has 2 divisors, whose sum is σ = 161130924518. Its totient is φ = 161130924516.

The previous prime is 161130924503. The next prime is 161130924527. The reversal of 161130924517 is 715429031161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156061342116 + 5069582401 = 395046^2 + 71201^2 .

It is a cyclic number.

It is not a de Polignac number, because 161130924517 - 2¹⁵ = 161130891749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 161130924517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161130924527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80565462258 + 80565462259.

It is an arithmetic number, because the mean of its divisors is an integer number (80565462259).

Almost surely, 2^161130924517 is an apocalyptic number.

It is an amenable number.

161130924517 is a deficient number, since it is larger than the sum of its proper divisors (1).

161130924517 is an equidigital number, since it uses as much as digits as its factorization.

161130924517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 40.

Adding to 161130924517 its reverse (715429031161), we get a palindrome (876559955678).

The spelling of 161130924517 in words is "one hundred sixty-one billion, one hundred thirty million, nine hundred twenty-four thousand, five hundred seventeen".