65535942976 has 84 divisors (see below), whose sum is σ = 151350927168. Its totient is φ = 28073703168.

The previous prime is 65535942959. The next prime is 65535942991. The reversal of 65535942976 is 67924953556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9915865 + ... + 9922471.

It is an arithmetic number, because the mean of its divisors is an integer number (1801796752).

Almost surely, 2^65535942976 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 65535942976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75675463584).

65535942976 is an abundant number, since it is smaller than the sum of its proper divisors (85814984192).

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

65535942976 is a wasteful number, since it uses less digits than its factorization.

65535942976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9796 (or 9779 counting only the distinct ones).

The product of its digits is 61236000, while the sum is 61.

The spelling of 65535942976 in words is "sixty-five billion, five hundred thirty-five million, nine hundred forty-two thousand, nine hundred seventy-six".