65581804048 has 20 divisors (see below), whose sum is σ = 127473323328. Its totient is φ = 32685462560.

The previous prime is 65581804003. The next prime is 65581804087. The reversal of 65581804048 is 84040818556.

65581804048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 65581803992 and 65581804010.

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, 6584836 + ... + 6594787.

Almost surely, 2^65581804048 is an apocalyptic number.

It is an amenable number.

65581804048 is a deficient number, since it is larger than the sum of its proper divisors (61891519280).

65581804048 is a wasteful number, since it uses less digits than its factorization.

65581804048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13179942 (or 13179936 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 49.

The spelling of 65581804048 in words is "sixty-five billion, five hundred eighty-one million, eight hundred four thousand, forty-eight".