65326560 has 288 divisors, whose sum is σ = 241950240. Its totient is φ = 14708736.

The previous prime is 65326537. The next prime is 65326607. The reversal of 65326560 is 6562356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2252626 + ... + 2252654.

It is an arithmetic number, because the mean of its divisors is an integer number (840105).

Almost surely, 2^65326560 is an apocalyptic number.

65326560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65326560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120975120).

65326560 is an abundant number, since it is smaller than the sum of its proper divisors (176623680).

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

65326560 is a wasteful number, since it uses less digits than its factorization.

65326560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 65326560 is about 8082.4847664564. The cubic root of 65326560 is about 402.7447889201.

The spelling of 65326560 in words is "sixty-five million, three hundred twenty-six thousand, five hundred sixty".