16659883008 has 220 divisors, whose sum is σ = 49978282860. Its totient is φ = 5527830528.

The previous prime is 16659882983. The next prime is 16659883027. The reversal of 16659883008 is 80038895661.

16659883008 is a `hidden beast` number, since 16 + 6 + 598 + 8 + 30 + 0 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4619649024 + 12040233984 = 67968^2 + 109728^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29278948 + ... + 29279516.

It is an arithmetic number, because the mean of its divisors is an integer number (227174013).

Almost surely, 2^16659883008 is an apocalyptic number.

16659883008 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 16659883008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24989141430).

16659883008 is an abundant number, since it is smaller than the sum of its proper divisors (33318399852).

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

16659883008 is an equidigital number, since it uses as much as digits as its factorization.

16659883008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954 (or 927 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 16659883008 in words is "sixteen billion, six hundred fifty-nine million, eight hundred eighty-three thousand, eight".