64835555560988 has 24 divisors (see below), whose sum is σ = 115041488924208. Its totient is φ = 31966751696256.

The previous prime is 64835555560933. The next prime is 64835555561011. The reversal of 64835555560988 is 88906555553846.

64835555560988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64835555560988² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22774931 + ... + 25463082.

It is an arithmetic number, because the mean of its divisors is an integer number (4793395371842).

Almost surely, 2^{64835555560988} is an apocalyptic number.

It is an amenable number.

64835555560988 is a deficient number, since it is larger than the sum of its proper divisors (50205933363220).

64835555560988 is a wasteful number, since it uses less digits than its factorization.

64835555560988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48242693 (or 48242691 counting only the distinct ones).

The product of its (nonzero) digits is 6220800000, while the sum is 77.

The spelling of 64835555560988 in words is "sixty-four trillion, eight hundred thirty-five billion, five hundred fifty-five million, five hundred sixty thousand, nine hundred eighty-eight".