65116065 has 32 divisors (see below), whose sum is σ = 121326336. Its totient is φ = 29203200.

The previous prime is 65116063. The next prime is 65116067. The reversal of 65116065 is 56061156.

It is an interprime number because it is at equal distance from previous prime (65116063) and next prime (65116067).

It is not a de Polignac number, because 65116065 - 2¹ = 65116063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65116063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286 + ... + 11415.

It is an arithmetic number, because the mean of its divisors is an integer number (3791448).

Almost surely, 2^65116065 is an apocalyptic number.

It is an amenable number.

65116065 is a deficient number, since it is larger than the sum of its proper divisors (56210271).

65116065 is a wasteful number, since it uses less digits than its factorization.

65116065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11769.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 65116065 is about 8069.4525836639. The cubic root of 65116065 is about 402.3117492172.

The spelling of 65116065 in words is "sixty-five million, one hundred sixteen thousand, sixty-five".