65682428656 has 30 divisors (see below), whose sum is σ = 137801935320. Its totient is φ = 30314965824.

The previous prime is 65682428569. The next prime is 65682428699.

65682428656 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 65682428656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12142716 + ... + 12148123.

It is an arithmetic number, because the mean of its divisors is an integer number (4593397844).

Almost surely, 2^65682428656 is an apocalyptic number.

It is an amenable number.

65682428656 is an abundant number, since it is smaller than the sum of its proper divisors (72119506664).

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

65682428656 is a wasteful number, since it uses less digits than its factorization.

65682428656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24290873 (or 24290854 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 58.

The spelling of 65682428656 in words is "sixty-five billion, six hundred eighty-two million, four hundred twenty-eight thousand, six hundred fifty-six".