196616173 has 6 divisors (see below), whose sum is σ = 211794954. Its totient is φ = 181445184.

The previous prime is 196616159. The next prime is 196616177. The reversal of 196616173 is 371616691.

It can be written as a sum of positive squares in 3 ways, for example, as 34257609 + 162358564 = 5853^2 + 12742^2 .

It is not a de Polignac number, because 196616173 - 2⁵ = 196616141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196616177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48613 + ... + 52501.

It is an arithmetic number, because the mean of its divisors is an integer number (35299159).

Almost surely, 2^196616173 is an apocalyptic number.

196616173 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

196616173 is a deficient number, since it is larger than the sum of its proper divisors (15178781).

196616173 is an frugal number, since it uses more digits than its factorization.

196616173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7791 (or 3902 counting only the distinct ones).

The product of its digits is 40824, while the sum is 40.

The square root of 196616173 is about 14021.9889102795. The cubic root of 196616173 is about 581.4866469550.

The spelling of 196616173 in words is "one hundred ninety-six million, six hundred sixteen thousand, one hundred seventy-three".