196728808322 has 18 divisors (see below), whose sum is σ = 301550567913. Its totient is φ = 96257117472.

The previous prime is 196728808253. The next prime is 196728808337. The reversal of 196728808322 is 223808827691.

It can be written as a sum of positive squares in 2 ways, for example, as 134982025201 + 61746783121 = 367399^2 + 248489^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=313631.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 29477978 + ... + 29484650.

Almost surely, 2^196728808322 is an apocalyptic number.

196728808322 is a deficient number, since it is larger than the sum of its proper divisors (104821759591).

196728808322 is an frugal number, since it uses more digits than its factorization.

196728808322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13442 (or 6722 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 56.

The spelling of 196728808322 in words is "one hundred ninety-six billion, seven hundred twenty-eight million, eight hundred eight thousand, three hundred twenty-two".