128416680 has 192 divisors, whose sum is σ = 481852800. Its totient is φ = 29053440.

The previous prime is 128416667. The next prime is 128416711. The reversal of 128416680 is 86614821.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 329926 + ... + 330314.

It is an arithmetic number, because the mean of its divisors is an integer number (2509650).

Almost surely, 2^128416680 is an apocalyptic number.

128416680 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 128416680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240926400).

128416680 is an abundant number, since it is smaller than the sum of its proper divisors (353436120).

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

128416680 is a wasteful number, since it uses less digits than its factorization.

128416680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 128416680 is about 11332.1083651719. The cubic root of 128416680 is about 504.5146858630.

The spelling of 128416680 in words is "one hundred twenty-eight million, four hundred sixteen thousand, six hundred eighty".