65980368448 has 112 divisors (see below), whose sum is σ = 140772026304. Its totient is φ = 30573527040.

The previous prime is 65980368413. The next prime is 65980368463. The reversal of 65980368448 is 84486308956.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22266615 + ... + 22269577.

It is an arithmetic number, because the mean of its divisors is an integer number (1256893092).

Almost surely, 2^65980368448 is an apocalyptic number.

65980368448 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65980368448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70386013152).

65980368448 is an abundant number, since it is smaller than the sum of its proper divisors (74791657856).

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

65980368448 is a wasteful number, since it uses less digits than its factorization.

65980368448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300 (or 3290 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 61.

The spelling of 65980368448 in words is "sixty-five billion, nine hundred eighty million, three hundred sixty-eight thousand, four hundred forty-eight".