65106605 has 8 divisors (see below), whose sum is σ = 78560664. Its totient is φ = 51796800.

The previous prime is 65106599. The next prime is 65106637. The reversal of 65106605 is 50660156.

It can be written as a sum of positive squares in 4 ways, for example, as 2601769 + 62504836 = 1613^2 + 7906^2 .

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

It is not a de Polignac number, because 65106605 - 2⁴ = 65106589 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 35066 + ... + 36875.

It is an arithmetic number, because the mean of its divisors is an integer number (9820083).

Almost surely, 2^65106605 is an apocalyptic number.

It is an amenable number.

65106605 is a deficient number, since it is larger than the sum of its proper divisors (13454059).

65106605 is a wasteful number, since it uses less digits than its factorization.

65106605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72127.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 65106605 is about 8068.8664011743. The cubic root of 65106605 is about 402.2922657842.

The spelling of 65106605 in words is "sixty-five million, one hundred six thousand, six hundred five".