996164173 has 2 divisors, whose sum is σ = 996164174. Its totient is φ = 996164172.

The previous prime is 996164171. The next prime is 996164207. The reversal of 996164173 is 371461699.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 920090889 + 76073284 = 30333^2 + 8722^2 .

It is a cyclic number.

It is not a de Polignac number, because 996164173 - 2¹ = 996164171 is a prime.

Together with 996164171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996164171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498082086 + 498082087.

It is an arithmetic number, because the mean of its divisors is an integer number (498082087).

Almost surely, 2^996164173 is an apocalyptic number.

It is an amenable number.

996164173 is a deficient number, since it is larger than the sum of its proper divisors (1).

996164173 is an equidigital number, since it uses as much as digits as its factorization.

996164173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 46.

The square root of 996164173 is about 31562.0685792297. The cubic root of 996164173 is about 998.7197526662.

The spelling of 996164173 in words is "nine hundred ninety-six million, one hundred sixty-four thousand, one hundred seventy-three".