16725043720 has 128 divisors (see below), whose sum is σ = 46976578560. Its totient is φ = 5206383360.

The previous prime is 16725043697. The next prime is 16725043823. The reversal of 16725043720 is 2734052761.

It is a happy number.

16725043720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16725043720² (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 16725043720.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2790567 + ... + 2796553.

It is an arithmetic number, because the mean of its divisors is an integer number (367004520).

Almost surely, 2^16725043720 is an apocalyptic number.

16725043720 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 16725043720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23488289280).

16725043720 is an abundant number, since it is smaller than the sum of its proper divisors (30251534840).

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

16725043720 is a wasteful number, since it uses less digits than its factorization.

16725043720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6923 (or 6919 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 16725043720 in words is "sixteen billion, seven hundred twenty-five million, forty-three thousand, seven hundred twenty".