65110661606 has 16 divisors (see below), whose sum is σ = 103424229216. Its totient is φ = 30636406656.

The previous prime is 65110661599. The next prime is 65110661611. The reversal of 65110661606 is 60616601156.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 65110661606.

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, 158015 + ... + 393941.

It is an arithmetic number, because the mean of its divisors is an integer number (6464014326).

Almost surely, 2^65110661606 is an apocalyptic number.

65110661606 is a deficient number, since it is larger than the sum of its proper divisors (38313567610).

65110661606 is a wasteful number, since it uses less digits than its factorization.

65110661606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244063.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 65110661606 in words is "sixty-five billion, one hundred ten million, six hundred sixty-one thousand, six hundred six".