65648143654064 has 80 divisors (see below), whose sum is σ = 131573582939232. Its totient is φ = 31715079112704.

The previous prime is 65648143654043. The next prime is 65648143654151. The reversal of 65648143654064 is 46045634184656.

65648143654064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 65648143653988 and 65648143654006.

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 15 ways as a sum of consecutive naturals, for example, 20540234 + ... + 23520150.

Almost surely, 2^{65648143654064} is an apocalyptic number.

It is an amenable number.

65648143654064 is an abundant number, since it is smaller than the sum of its proper divisors (65925439285168).

65648143654064 is a wasteful number, since it uses less digits than its factorization.

65648143654064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980374 (or 2980368 counting only the distinct ones).

The product of its (nonzero) digits is 199065600, while the sum is 62.

The spelling of 65648143654064 in words is "sixty-five trillion, six hundred forty-eight billion, one hundred forty-three million, six hundred fifty-four thousand, sixty-four".