16679513520 has 200 divisors, whose sum is σ = 60449675616. Its totient is φ = 4254446592.

The previous prime is 16679513519. The next prime is 16679513533. The reversal of 16679513520 is 2531597661.

16679513520 is a `hidden beast` number, since 1 + 6 + 6 + 79 + 51 + 3 + 520 = 666.

16679513520 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 (45).

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 39 ways as a sum of consecutive naturals, for example, 93084 + ... + 204996.

Almost surely, 2^16679513520 is an apocalyptic number.

16679513520 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 16679513520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30224837808).

16679513520 is an abundant number, since it is smaller than the sum of its proper divisors (43770162096).

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

16679513520 is a wasteful number, since it uses less digits than its factorization.

16679513520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111961 (or 111946 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The spelling of 16679513520 in words is "sixteen billion, six hundred seventy-nine million, five hundred thirteen thousand, five hundred twenty".