65605268 has 6 divisors (see below), whose sum is σ = 114809226. Its totient is φ = 32802632.

The previous prime is 65605259. The next prime is 65605273. The reversal of 65605268 is 86250656.

It is a happy number.

65605268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 46403344 + 19201924 = 6812^2 + 4382^2 .

It is a congruent 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 as a sum of consecutive naturals, namely, 8200655 + ... + 8200662.

It is an arithmetic number, because the mean of its divisors is an integer number (19134871).

Almost surely, 2^65605268 is an apocalyptic number.

It is an amenable number.

65605268 is a deficient number, since it is larger than the sum of its proper divisors (49203958).

65605268 is a wasteful number, since it uses less digits than its factorization.

65605268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16401321 (or 16401319 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 65605268 is about 8099.7078959676. The cubic root of 65605268 is about 403.3167305660.

The spelling of 65605268 in words is "sixty-five million, six hundred five thousand, two hundred sixty-eight".