65065600 has 48 divisors (see below), whose sum is σ = 160740270. Its totient is φ = 26024960.

The previous prime is 65065577. The next prime is 65065661. The reversal of 65065600 is 656056.

It can be written as a sum of positive squares in 3 ways, for example, as 61591104 + 3474496 = 7848^2 + 1864^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6967 + ... + 13366.

Almost surely, 2^65065600 is an apocalyptic number.

It is an amenable number.

65065600 is an abundant number, since it is smaller than the sum of its proper divisors (95674670).

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

65065600 is a wasteful number, since it uses less digits than its factorization.

65065600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20357 (or 20340 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 65065600 is about 8066.3250616374. The cubic root of 65065600 is about 402.2077917194.

The spelling of 65065600 in words is "sixty-five million, sixty-five thousand, six hundred".