65755655756 has 24 divisors (see below), whose sum is σ = 131540263680. Its totient is φ = 28174791312.

The previous prime is 65755655743. The next prime is 65755655837.

It is a happy number.

65755655756 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127886 + ... + 384533.

It is an arithmetic number, because the mean of its divisors is an integer number (5480844320).

Almost surely, 2^65755655756 is an apocalyptic number.

It is an amenable number.

65755655756 is an abundant number, since it is smaller than the sum of its proper divisors (65784607924).

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

65755655756 is a wasteful number, since it uses less digits than its factorization.

65755655756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517013 (or 517011 counting only the distinct ones).

The product of its digits is 165375000, while the sum is 62.

The spelling of 65755655756 in words is "sixty-five billion, seven hundred fifty-five million, six hundred fifty-five thousand, seven hundred fifty-six".