16535426004864 has 192 divisors, whose sum is σ = 53009583681600. Its totient is φ = 4912381071360.

The previous prime is 16535426004847. The next prime is 16535426004883. The reversal of 16535426004864 is 46840062453561.

16535426004864 is a `hidden beast` number, since 1 + 6 + 53 + 54 + 2 + 60 + 0 + 486 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16535426004864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18602392 + ... + 19470999.

It is an arithmetic number, because the mean of its divisors is an integer number (276091581675).

Almost surely, 2^{16535426004864} is an apocalyptic number.

It is an amenable number.

16535426004864 is an abundant number, since it is smaller than the sum of its proper divisors (36474157676736).

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

16535426004864 is a wasteful number, since it uses less digits than its factorization.

16535426004864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38073453 (or 38073438 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 54.

The spelling of 16535426004864 in words is "sixteen trillion, five hundred thirty-five billion, four hundred twenty-six million, four thousand, eight hundred sixty-four".