16679505888 has 144 divisors (see below), whose sum is σ = 48652059456. Its totient is φ = 5417902080.

The previous prime is 16679505881. The next prime is 16679505937. The reversal of 16679505888 is 88850597661.

16679505888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16679505881) 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 23 ways as a sum of consecutive naturals, for example, 3259620 + ... + 3264732.

It is an arithmetic number, because the mean of its divisors is an integer number (337861524).

Almost surely, 2^16679505888 is an apocalyptic number.

16679505888 is a gapful number since it is divisible by the number (18) 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 16679505888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24326029728).

16679505888 is an abundant number, since it is smaller than the sum of its proper divisors (31972553568).

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

16679505888 is a wasteful number, since it uses less digits than its factorization.

16679505888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5417 (or 5406 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 63.

The spelling of 16679505888 in words is "sixteen billion, six hundred seventy-nine million, five hundred five thousand, eight hundred eighty-eight".