16488553608 has 108 divisors (see below), whose sum is σ = 46008541215. Its totient is φ = 5334564096.

The previous prime is 16488553603. The next prime is 16488553619. The reversal of 16488553608 is 80635588461.

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.

16488553608 is a `hidden beast` number, since 1 + 6 + 4 + 88 + 553 + 6 + 0 + 8 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 16083819684 + 404733924 = 126822^2 + 20118^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=90798.

It is not an unprimeable number, because it can be changed into a prime (16488553603) 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, 40314108 + ... + 40314516.

Almost surely, 2^16488553608 is an apocalyptic number.

16488553608 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 16488553608

16488553608 is an abundant number, since it is smaller than the sum of its proper divisors (29519987607).

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

16488553608 is an equidigital number, since it uses as much as digits as its factorization.

16488553608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 16488553608 in words is "sixteen billion, four hundred eighty-eight million, five hundred fifty-three thousand, six hundred eight".