65564368 has 10 divisors (see below), whose sum is σ = 127030994. Its totient is φ = 32782176.

The previous prime is 65564297. The next prime is 65564377. The reversal of 65564368 is 86346556.

It can be written as a sum of positive squares in only one way, i.e., 37601424 + 27962944 = 6132^2 + 5288^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2048871 + ... + 2048902.

Almost surely, 2^65564368 is an apocalyptic number.

It is an amenable number.

65564368 is a deficient number, since it is larger than the sum of its proper divisors (61466626).

65564368 is a wasteful number, since it uses less digits than its factorization.

65564368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097781 (or 4097775 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The square root of 65564368 is about 8097.1827199341. The cubic root of 65564368 is about 403.2329004920.

The spelling of 65564368 in words is "sixty-five million, five hundred sixty-four thousand, three hundred sixty-eight".