65605106605 has 8 divisors (see below), whose sum is σ = 78794532864. Its totient is φ = 52438482000.

The previous prime is 65605106563. The next prime is 65605106641. The reversal of 65605106605 is 50660150656.

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

It is not a de Polignac number, because 65605106605 - 2¹⁹ = 65604582317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5694081 + ... + 5705590.

It is an arithmetic number, because the mean of its divisors is an integer number (9849316608).

Almost surely, 2^65605106605 is an apocalyptic number.

It is an amenable number.

65605106605 is a deficient number, since it is larger than the sum of its proper divisors (13189426259).

65605106605 is a wasteful number, since it uses less digits than its factorization.

65605106605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11400827.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 65605106605 in words is "sixty-five billion, six hundred five million, one hundred six thousand, six hundred five".