16641447048 has 108 divisors (see below), whose sum is σ = 47186762805. Its totient is φ = 5297941440.

The previous prime is 16641447047. The next prime is 16641447089. The reversal of 16641447048 is 84074414661.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

16641447048 is a `hidden beast` number, since 166 + 4 + 1 + 447 + 0 + 48 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15050873124 + 1590573924 = 122682^2 + 39882^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=91218.

It is a super-3 number, since 3×16641447048³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16641446994 and 16641447012.

It is not an unprimeable number, because it can be changed into a prime (16641447047) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 25175838 + ... + 25176498.

Almost surely, 2^16641447048 is an apocalyptic number.

16641447048 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 16641447048

16641447048 is an abundant number, since it is smaller than the sum of its proper divisors (30545315757).

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

16641447048 is an equidigital number, since it uses as much as digits as its factorization.

16641447048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 16641447048 in words is "sixteen billion, six hundred forty-one million, four hundred forty-seven thousand, forty-eight".