65880344328 has 16 divisors (see below), whose sum is σ = 164700860880. Its totient is φ = 21960114768.

The previous prime is 65880344323. The next prime is 65880344353. The reversal of 65880344328 is 82344308856.

It is not an unprimeable number, because it can be changed into a prime (65880344323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1372507150 + ... + 1372507197.

It is an arithmetic number, because the mean of its divisors is an integer number (10293803805).

Almost surely, 2^65880344328 is an apocalyptic number.

It is an amenable number.

65880344328 is an abundant number, since it is smaller than the sum of its proper divisors (98820516552).

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

65880344328 is a wasteful number, since it uses less digits than its factorization.

65880344328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745014356 (or 2745014352 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 51.

The spelling of 65880344328 in words is "sixty-five billion, eight hundred eighty million, three hundred forty-four thousand, three hundred twenty-eight".