161130603979 has 2 divisors, whose sum is σ = 161130603980. Its totient is φ = 161130603978.

The previous prime is 161130603961. The next prime is 161130604027. The reversal of 161130603979 is 979306031161.

It is a weak prime.

It is an emirp because it is prime and its reverse (979306031161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161130603979 - 2³³ = 152540669387 is a prime.

It is not a weakly prime, because it can be changed into another prime (161130603079) 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, 80565301989 + 80565301990.

It is an arithmetic number, because the mean of its divisors is an integer number (80565301990).

Almost surely, 2^161130603979 is an apocalyptic number.

161130603979 is a deficient number, since it is larger than the sum of its proper divisors (1).

161130603979 is an equidigital number, since it uses as much as digits as its factorization.

161130603979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 183708, while the sum is 46.

The spelling of 161130603979 in words is "one hundred sixty-one billion, one hundred thirty million, six hundred three thousand, nine hundred seventy-nine".