79132176161 has 2 divisors, whose sum is σ = 79132176162. Its totient is φ = 79132176160.

The previous prime is 79132176143. The next prime is 79132176169. The reversal of 79132176161 is 16167123197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76676379025 + 2455797136 = 276905^2 + 49556^2 .

It is an emirp because it is prime and its reverse (16167123197) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79132176161 is a prime.

It is a super-3 number, since 3×79132176161³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (79132176169) 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, 39566088080 + 39566088081.

It is an arithmetic number, because the mean of its divisors is an integer number (39566088081).

Almost surely, 2^79132176161 is an apocalyptic number.

It is an amenable number.

79132176161 is a deficient number, since it is larger than the sum of its proper divisors (1).

79132176161 is an equidigital number, since it uses as much as digits as its factorization.

79132176161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 44.

The spelling of 79132176161 in words is "seventy-nine billion, one hundred thirty-two million, one hundred seventy-six thousand, one hundred sixty-one".