16651488000 has 576 divisors, whose sum is σ = 64282982400. Its totient is φ = 3741696000.

The previous prime is 16651487977. The next prime is 16651488037. The reversal of 16651488000 is 88415661.

It is a super-2 number, since 2×16651488000² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16651488000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47711826 + ... + 47712174.

It is an arithmetic number, because the mean of its divisors is an integer number (111602400).

Almost surely, 2^16651488000 is an apocalyptic number.

16651488000 is a gapful number since it is divisible by the number (10) 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 16651488000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32141491200).

16651488000 is an abundant number, since it is smaller than the sum of its proper divisors (47631494400).

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

16651488000 is an equidigital number, since it uses as much as digits as its factorization.

16651488000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 16651488000 in words is "sixteen billion, six hundred fifty-one million, four hundred eighty-eight thousand".