2365216065 has 16 divisors (see below), whose sum is σ = 4204828800. Its totient is φ = 1261448496.

The previous prime is 2365216043. The next prime is 2365216067. The reversal of 2365216065 is 5606125632.

It is a happy number.

2365216065 is a `hidden beast` number, since 23 + 6 + 5 + 21 + 606 + 5 = 666.

It is not a de Polignac number, because 2365216065 - 2¹⁷ = 2365084993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2365216067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8759925 + ... + 8760194.

It is an arithmetic number, because the mean of its divisors is an integer number (262801800).

Almost surely, 2^2365216065 is an apocalyptic number.

It is an amenable number.

2365216065 is a deficient number, since it is larger than the sum of its proper divisors (1839612735).

2365216065 is a wasteful number, since it uses less digits than its factorization.

2365216065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17520133 (or 17520127 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 2365216065 is about 48633.4870742372. The cubic root of 2365216065 is about 1332.3661997355.

The spelling of 2365216065 in words is "two billion, three hundred sixty-five million, two hundred sixteen thousand, sixty-five".