161130604027 has 2 divisors, whose sum is σ = 161130604028. Its totient is φ = 161130604026.

The previous prime is 161130603979. The next prime is 161130604049. The reversal of 161130604027 is 720406031161.

161130604027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161130604027 - 2⁷ = 161130603899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 161130604027.

It is not a weakly prime, because it can be changed into another prime (161130604087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80565302013 + 80565302014.

It is an arithmetic number, because the mean of its divisors is an integer number (80565302014).

Almost surely, 2^161130604027 is an apocalyptic number.

161130604027 is a deficient number, since it is larger than the sum of its proper divisors (1).

161130604027 is an equidigital number, since it uses as much as digits as its factorization.

161130604027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 161130604027 its reverse (720406031161), we get a palindrome (881536635188).

The spelling of 161130604027 in words is "one hundred sixty-one billion, one hundred thirty million, six hundred four thousand, twenty-seven".