65715446000 has 80 divisors (see below), whose sum is σ = 160358278080. Its totient is φ = 26044934400.

The previous prime is 65715445993. The next prime is 65715446033. The reversal of 65715446000 is 64451756.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 67277 + ... + 368723.

It is an arithmetic number, because the mean of its divisors is an integer number (2004478476).

Almost surely, 2^65715446000 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 65715446000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80179139040).

65715446000 is an abundant number, since it is smaller than the sum of its proper divisors (94642832080).

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

65715446000 is a wasteful number, since it uses less digits than its factorization.

65715446000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301579 (or 301563 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

Adding to 65715446000 its reverse (64451756), we get a palindrome (65779897756).

The spelling of 65715446000 in words is "sixty-five billion, seven hundred fifteen million, four hundred forty-six thousand".