65556265556 has 6 divisors (see below), whose sum is σ = 114723464730. Its totient is φ = 32778132776.

The previous prime is 65556265543. The next prime is 65556265597.

65556265556 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 57736400656 + 7819864900 = 240284^2 + 88430^2 .

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 as a sum of consecutive naturals, namely, 8194533191 + ... + 8194533198.

It is an arithmetic number, because the mean of its divisors is an integer number (19120577455).

Almost surely, 2^65556265556 is an apocalyptic number.

It is an amenable number.

65556265556 is a deficient number, since it is larger than the sum of its proper divisors (49167199174).

65556265556 is a wasteful number, since it uses less digits than its factorization.

65556265556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16389066393 (or 16389066391 counting only the distinct ones).

The product of its digits is 40500000, while the sum is 56.

The spelling of 65556265556 in words is "sixty-five billion, five hundred fifty-six million, two hundred sixty-five thousand, five hundred fifty-six".