65000165 has 16 divisors (see below), whose sum is σ = 81146880. Its totient is φ = 49922880.

The previous prime is 65000161. The next prime is 65000167. The reversal of 65000165 is 56100056.

It is not a de Polignac number, because 65000165 - 2² = 65000161 is a prime.

65000165 is a modest number, since divided by 165 gives 65 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 65000165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65000161) 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, 26522 + ... + 28868.

It is an arithmetic number, because the mean of its divisors is an integer number (5071680).

Almost surely, 2^65000165 is an apocalyptic number.

It is an amenable number.

65000165 is a deficient number, since it is larger than the sum of its proper divisors (16146715).

65000165 is a wasteful number, since it uses less digits than its factorization.

65000165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 65000165 is about 8062.2679811577. The cubic root of 65000165 is about 402.0729160739.

The spelling of 65000165 in words is "sixty-five million, one hundred sixty-five", and thus it is an aban number.