64266323523456 has 128 divisors (see below), whose sum is σ = 184159395050400. Its totient is φ = 19781568954368.

The previous prime is 64266323523421. The next prime is 64266323523511. The reversal of 64266323523456 is 65432532366246.

64266323523456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 64266323523396 and 64266323523405.

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 15 ways as a sum of consecutive naturals, for example, 92528721 + ... + 93220688.

Almost surely, 2^{64266323523456} is an apocalyptic number.

It is an amenable number.

64266323523456 is an abundant number, since it is smaller than the sum of its proper divisors (119893071526944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64266323523456 is a wasteful number, since it uses less digits than its factorization.

64266323523456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185749496 (or 185749484 counting only the distinct ones).

The product of its digits is 111974400, while the sum is 57.

The spelling of 64266323523456 in words is "sixty-four trillion, two hundred sixty-six billion, three hundred twenty-three million, five hundred twenty-three thousand, four hundred fifty-six".