196620896165 has 8 divisors (see below), whose sum is σ = 236214117240. Its totient is φ = 157117355712.

The previous prime is 196620896159. The next prime is 196620896179. The reversal of 196620896165 is 561698026691.

It can be written as a sum of positive squares in 4 ways, for example, as 24190825156 + 172430071009 = 155534^2 + 415247^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196620896165 - 2⁴ = 196620896149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22415330 + ... + 22424099.

It is an arithmetic number, because the mean of its divisors is an integer number (29526764655).

Almost surely, 2^196620896165 is an apocalyptic number.

It is an amenable number.

196620896165 is a deficient number, since it is larger than the sum of its proper divisors (39593221075).

196620896165 is an equidigital number, since it uses as much as digits as its factorization.

196620896165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44840311.

The product of its (nonzero) digits is 8398080, while the sum is 59.

The spelling of 196620896165 in words is "one hundred ninety-six billion, six hundred twenty million, eight hundred ninety-six thousand, one hundred sixty-five".