16280298720 has 288 divisors, whose sum is σ = 64059532992. Its totient is φ = 3688022016.

The previous prime is 16280298709. The next prime is 16280298721. The reversal of 16280298720 is 2789208261.

16280298720 is a `hidden beast` number, since 16 + 280 + 298 + 72 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16280298721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1131894 + ... + 1146186.

It is an arithmetic number, because the mean of its divisors is an integer number (222428934).

Almost surely, 2^16280298720 is an apocalyptic number.

16280298720 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 16280298720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32029766496).

16280298720 is an abundant number, since it is smaller than the sum of its proper divisors (47779234272).

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

16280298720 is a wasteful number, since it uses less digits than its factorization.

16280298720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14434 (or 14423 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 16280298720 in words is "sixteen billion, two hundred eighty million, two hundred ninety-eight thousand, seven hundred twenty".