65982751296 has 448 divisors, whose sum is σ = 230060113920. Its totient is φ = 16169379840.

The previous prime is 65982751231. The next prime is 65982751301. The reversal of 65982751296 is 69215728956.

It is a tau number, because it is divible by the number of its divisors (448).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 131178181 + ... + 131178683.

It is an arithmetic number, because the mean of its divisors is an integer number (513527040).

Almost surely, 2^65982751296 is an apocalyptic number.

65982751296 is a gapful number since it is divisible by the number (66) 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 65982751296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115030056960).

65982751296 is an abundant number, since it is smaller than the sum of its proper divisors (164077362624).

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

65982751296 is a wasteful number, since it uses less digits than its factorization.

65982751296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022 (or 1012 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 60.

The spelling of 65982751296 in words is "sixty-five billion, nine hundred eighty-two million, seven hundred fifty-one thousand, two hundred ninety-six".