65654445656 has 16 divisors (see below), whose sum is σ = 123118153440. Its totient is φ = 32822938080.

The previous prime is 65654445601. The next prime is 65654445683.

65654445656 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470000 + ... + 593471.

It is an arithmetic number, because the mean of its divisors is an integer number (7694884590).

Almost surely, 2^65654445656 is an apocalyptic number.

It is an amenable number.

65654445656 is a deficient number, since it is larger than the sum of its proper divisors (57463707784).

65654445656 is a wasteful number, since it uses less digits than its factorization.

65654445656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071194 (or 1071190 counting only the distinct ones).

The product of its digits is 51840000, while the sum is 56.

The spelling of 65654445656 in words is "sixty-five billion, six hundred fifty-four million, four hundred forty-five thousand, six hundred fifty-six".