16500830720 has 160 divisors (see below), whose sum is σ = 43586674560. Its totient is φ = 5941002240.

The previous prime is 16500830713. The next prime is 16500830741. The reversal of 16500830720 is 2703800561.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2897636 + ... + 2903324.

It is an arithmetic number, because the mean of its divisors is an integer number (272416716).

Almost surely, 2^16500830720 is an apocalyptic number.

16500830720 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 16500830720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21793337280).

16500830720 is an abundant number, since it is smaller than the sum of its proper divisors (27085843840).

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

16500830720 is a wasteful number, since it uses less digits than its factorization.

16500830720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5826 (or 5810 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 16500830720 in words is "sixteen billion, five hundred million, eight hundred thirty thousand, seven hundred twenty".