65555360144 has 40 divisors (see below), whose sum is σ = 127978788000. Its totient is φ = 32528768256.

The previous prime is 65555360131. The next prime is 65555360149. The reversal of 65555360144 is 44106355556.

65555360144 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 = 65555360095 and 65555360104.

It is not an unprimeable number, because it can be changed into a prime (65555360149) 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, 7866572 + ... + 7874900.

It is an arithmetic number, because the mean of its divisors is an integer number (3199469700).

Almost surely, 2^65555360144 is an apocalyptic number.

It is an amenable number.

65555360144 is a deficient number, since it is larger than the sum of its proper divisors (62423427856).

65555360144 is a wasteful number, since it uses less digits than its factorization.

65555360144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12015 (or 12009 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 65555360144 in words is "sixty-five billion, five hundred fifty-five million, three hundred sixty thousand, one hundred forty-four".