65215606204 has 24 divisors (see below), whose sum is σ = 131212247040. Its totient is φ = 27782180976.

The previous prime is 65215606201. The next prime is 65215606207. The reversal of 65215606204 is 40260651256.

It is an interprime number because it is at equal distance from previous prime (65215606201) and next prime (65215606207).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65215606201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6968764 + ... + 6978115.

It is an arithmetic number, because the mean of its divisors is an integer number (5467176960).

Almost surely, 2^65215606204 is an apocalyptic number.

It is an amenable number.

65215606204 is an abundant number, since it is smaller than the sum of its proper divisors (65996640836).

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

65215606204 is a wasteful number, since it uses less digits than its factorization.

65215606204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13947057 (or 13947055 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 65215606204 in words is "sixty-five billion, two hundred fifteen million, six hundred six thousand, two hundred four".