65648105 has 8 divisors (see below), whose sum is σ = 79072200. Its totient is φ = 52322176.

The previous prime is 65648069. The next prime is 65648113. The reversal of 65648105 is 50184656.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21904 + 65626201 = 148^2 + 8101^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 65648105 - 2⁶ = 65648041 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23060 + ... + 25749.

It is an arithmetic number, because the mean of its divisors is an integer number (9884025).

Almost surely, 2^65648105 is an apocalyptic number.

It is an amenable number.

65648105 is a deficient number, since it is larger than the sum of its proper divisors (13424095).

65648105 is a wasteful number, since it uses less digits than its factorization.

65648105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49083.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 65648105 is about 8102.3518190708. The cubic root of 65648105 is about 403.4044934360.

The spelling of 65648105 in words is "sixty-five million, six hundred forty-eight thousand, one hundred five".