65321416000 has 112 divisors (see below), whose sum is σ = 162198466560. Its totient is φ = 26059123200.

The previous prime is 65321415983. The next prime is 65321416003. The reversal of 65321416000 is 61412356.

It is a self number, because there is not a number n which added to its sum of digits gives 65321416000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65321416003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3053341 + ... + 3074659.

Almost surely, 2^65321416000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65321416000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81099233280).

65321416000 is an abundant number, since it is smaller than the sum of its proper divisors (96877050560).

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

65321416000 is a wasteful number, since it uses less digits than its factorization.

65321416000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21729 (or 21709 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 65321416000 its reverse (61412356), we get a palindrome (65382828356).

The spelling of 65321416000 in words is "sixty-five billion, three hundred twenty-one million, four hundred sixteen thousand".