16723532672 has 256 divisors, whose sum is σ = 44338959360. Its totient is φ = 6082560000.

The previous prime is 16723532671. The next prime is 16723532677. The reversal of 16723532672 is 27623532761.

It is a happy number.

16723532672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16723532671) by changing a digit.

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, 25300022 + ... + 25300682.

It is an arithmetic number, because the mean of its divisors is an integer number (173199060).

Almost surely, 2^16723532672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16723532672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22169479680).

16723532672 is an abundant number, since it is smaller than the sum of its proper divisors (27615426688).

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

16723532672 is a wasteful number, since it uses less digits than its factorization.

16723532672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861 (or 849 counting only the distinct ones).

The product of its digits is 635040, while the sum is 44.

The spelling of 16723532672 in words is "sixteen billion, seven hundred twenty-three million, five hundred thirty-two thousand, six hundred seventy-two".