196611604565 has 8 divisors (see below), whose sum is σ = 235966258080. Its totient is φ = 157267728592.

The previous prime is 196611604481. The next prime is 196611604603. The reversal of 196611604565 is 565406116691.

196611604565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 196611604565 - 2¹⁴ = 196611588181 is a prime.

It is a super-2 number, since 2×196611604565² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2654195 + ... + 2727264.

It is an arithmetic number, because the mean of its divisors is an integer number (29495782260).

Almost surely, 2^196611604565 is an apocalyptic number.

It is an amenable number.

196611604565 is a deficient number, since it is larger than the sum of its proper divisors (39354653515).

196611604565 is an equidigital number, since it uses as much as digits as its factorization.

196611604565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5388771.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 196611604565 in words is "one hundred ninety-six billion, six hundred eleven million, six hundred four thousand, five hundred sixty-five".