16129509880 has 64 divisors (see below), whose sum is σ = 40556285280. Its totient is φ = 5722214400.

The previous prime is 16129509841. The next prime is 16129509899. The reversal of 16129509880 is 8890592161.

16129509880 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 2×16129509880² (a number of 21 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 429009 + ... + 465088.

Almost surely, 2^16129509880 is an apocalyptic number.

16129509880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16129509880 is an abundant number, since it is smaller than the sum of its proper divisors (24426775400).

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

16129509880 is a wasteful number, since it uses less digits than its factorization.

16129509880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894160 (or 894156 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 49.

The spelling of 16129509880 in words is "sixteen billion, one hundred twenty-nine million, five hundred nine thousand, eight hundred eighty".