16825446648 has 48 divisors (see below), whose sum is σ = 45746279280. Its totient is φ = 5586653184.

The previous prime is 16825446647. The next prime is 16825446667. The reversal of 16825446648 is 84664452861.

16825446648 is a `hidden beast` number, since 16 + 82 + 54 + 466 + 48 = 666.

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 junction number, because it is equal to n+sod(n) for n = 16825446594 and 16825446603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16825446643) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 436140 + ... + 473147.

It is an arithmetic number, because the mean of its divisors is an integer number (953047485).

Almost surely, 2^16825446648 is an apocalyptic number.

16825446648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16825446648 is an abundant number, since it is smaller than the sum of its proper divisors (28920832632).

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

16825446648 is a wasteful number, since it uses less digits than its factorization.

16825446648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909556 (or 909549 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 54.

The spelling of 16825446648 in words is "sixteen billion, eight hundred twenty-five million, four hundred forty-six thousand, six hundred forty-eight".