65512313656 has 16 divisors (see below), whose sum is σ = 122838337440. Its totient is φ = 32755423680.

The previous prime is 65512313639. The next prime is 65512313663. The reversal of 65512313656 is 65631321556.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564276 + ... + 670396.

It is an arithmetic number, because the mean of its divisors is an integer number (7677396090).

Almost surely, 2^65512313656 is an apocalyptic number.

It is an amenable number.

65512313656 is a deficient number, since it is larger than the sum of its proper divisors (57326023784).

65512313656 is a wasteful number, since it uses less digits than its factorization.

65512313656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183294 (or 183290 counting only the distinct ones).

The product of its digits is 486000, while the sum is 43.

The spelling of 65512313656 in words is "sixty-five billion, five hundred twelve million, three hundred thirteen thousand, six hundred fifty-six".