128469153648 has 320 divisors, whose sum is σ = 389287084032. Its totient is φ = 36116720640.

The previous prime is 128469153643. The next prime is 128469153649. The reversal of 128469153648 is 846351964821.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128469153643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 81983361 + ... + 81984927.

Almost surely, 2^128469153648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128469153648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194643542016).

128469153648 is an abundant number, since it is smaller than the sum of its proper divisors (260817930384).

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

128469153648 is a wasteful number, since it uses less digits than its factorization.

128469153648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812 (or 1806 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 57.

The spelling of 128469153648 in words is "one hundred twenty-eight billion, four hundred sixty-nine million, one hundred fifty-three thousand, six hundred forty-eight".