65816105 has 4 divisors (see below), whose sum is σ = 78979332. Its totient is φ = 52652880.

The previous prime is 65816071. The next prime is 65816119. The reversal of 65816105 is 50161856.

It is a happy number.

65816105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31147561 + 34668544 = 5581^2 + 5888^2 .

It is not a de Polignac number, because 65816105 - 2¹⁰ = 65815081 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6581606 + ... + 6581615.

It is an arithmetic number, because the mean of its divisors is an integer number (19744833).

Almost surely, 2^65816105 is an apocalyptic number.

It is an amenable number.

65816105 is a deficient number, since it is larger than the sum of its proper divisors (13163227).

65816105 is a wasteful number, since it uses less digits than its factorization.

65816105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13163226.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 65816105 is about 8112.7125549966. The cubic root of 65816105 is about 403.7483176547.

The spelling of 65816105 in words is "sixty-five million, eight hundred sixteen thousand, one hundred five".