65846160085 has 4 divisors (see below), whose sum is σ = 79015392108. Its totient is φ = 52676928064.

The previous prime is 65846160077. The next prime is 65846160091. The reversal of 65846160085 is 58006164856.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41372373604 + 24473786481 = 203402^2 + 156441^2 .

It is a cyclic number.

It is not a de Polignac number, because 65846160085 - 2³ = 65846160077 is a prime.

It is a super-3 number, since 3×65846160085³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6584616004 + ... + 6584616013.

It is an arithmetic number, because the mean of its divisors is an integer number (19753848027).

Almost surely, 2^65846160085 is an apocalyptic number.

It is an amenable number.

65846160085 is a deficient number, since it is larger than the sum of its proper divisors (13169232023).

65846160085 is a wasteful number, since it uses less digits than its factorization.

65846160085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13169232022.

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 65846160085 in words is "sixty-five billion, eight hundred forty-six million, one hundred sixty thousand, eighty-five".