65011164 has 12 divisors (see below), whose sum is σ = 151692744. Its totient is φ = 21670384.

The previous prime is 65011157. The next prime is 65011171. The reversal of 65011164 is 46111056.

It is an interprime number because it is at equal distance from previous prime (65011157) and next prime (65011171).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2708787 + ... + 2708810.

It is an arithmetic number, because the mean of its divisors is an integer number (12641062).

Almost surely, 2^65011164 is an apocalyptic number.

It is an amenable number.

65011164 is an abundant number, since it is smaller than the sum of its proper divisors (86681580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65011164 is a wasteful number, since it uses less digits than its factorization.

65011164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5417604 (or 5417602 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 65011164 is about 8062.9500804606. The cubic root of 65011164 is about 402.0955937116.

The spelling of 65011164 in words is "sixty-five million, eleven thousand, one hundred sixty-four".