65305164 has 12 divisors (see below), whose sum is σ = 152378744. Its totient is φ = 21768384.

The previous prime is 65305159. The next prime is 65305171. The reversal of 65305164 is 46150356.

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

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, 2721037 + ... + 2721060.

Almost surely, 2^65305164 is an apocalyptic number.

It is an amenable number.

65305164 is an abundant number, since it is smaller than the sum of its proper divisors (87073580).

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

65305164 is a wasteful number, since it uses less digits than its factorization.

65305164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5442104 (or 5442102 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 65305164 is about 8081.1610551950. The cubic root of 65305164 is about 402.7008146242.

The spelling of 65305164 in words is "sixty-five million, three hundred five thousand, one hundred sixty-four".