16979321072 has 20 divisors (see below), whose sum is σ = 37597068336. Its totient is φ = 7276851840.

The previous prime is 16979321011. The next prime is 16979321087. The reversal of 16979321072 is 27012397961.

16979321072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 75800429 + ... + 75800652.

Almost surely, 2^16979321072 is an apocalyptic number.

It is an amenable number.

16979321072 is an abundant number, since it is smaller than the sum of its proper divisors (20617747264).

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

16979321072 is a wasteful number, since it uses less digits than its factorization.

16979321072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151601096 (or 151601090 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 47.

The spelling of 16979321072 in words is "sixteen billion, nine hundred seventy-nine million, three hundred twenty-one thousand, seventy-two".