65555664360 has 32 divisors (see below), whose sum is σ = 196666993440. Its totient is φ = 17481510464.

The previous prime is 65555664353. The next prime is 65555664373. The reversal of 65555664360 is 6346655556.

65555664360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273148482 + ... + 273148721.

It is an arithmetic number, because the mean of its divisors is an integer number (6145843545).

Almost surely, 2^65555664360 is an apocalyptic number.

65555664360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65555664360 is an abundant number, since it is smaller than the sum of its proper divisors (131111329080).

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

65555664360 is a wasteful number, since it uses less digits than its factorization.

65555664360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546297217 (or 546297213 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 51.

The spelling of 65555664360 in words is "sixty-five billion, five hundred fifty-five million, six hundred sixty-four thousand, three hundred sixty".