16641934848 has 960 divisors, whose sum is σ = 66184335360. Its totient is φ = 3892838400.

The previous prime is 16641934847. The next prime is 16641934853. The reversal of 16641934848 is 84843914661.

16641934848 is a `hidden beast` number, since 16 + 64 + 1 + 93 + 484 + 8 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 16641934794 and 16641934803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16641934843) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 186987988 + ... + 186988076.

It is an arithmetic number, because the mean of its divisors is an integer number (68942016).

Almost surely, 2^16641934848 is an apocalyptic number.

16641934848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16641934848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33092167680).

16641934848 is an abundant number, since it is smaller than the sum of its proper divisors (49542400512).

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

16641934848 is a wasteful number, since it uses less digits than its factorization.

16641934848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 160 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The spelling of 16641934848 in words is "sixteen billion, six hundred forty-one million, nine hundred thirty-four thousand, eight hundred forty-eight".