128373291984 has 160 divisors (see below), whose sum is σ = 389598564096. Its totient is φ = 35654860800.

The previous prime is 128373291929. The next prime is 128373292009. The reversal of 128373291984 is 489192373821.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16170064 + ... + 16178000.

Almost surely, 2^128373291984 is an apocalyptic number.

128373291984 is a gapful number since it is divisible by the number (14) 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 128373291984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194799282048).

128373291984 is an abundant number, since it is smaller than the sum of its proper divisors (261225272112).

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

128373291984 is a wasteful number, since it uses less digits than its factorization.

128373291984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9293 (or 9287 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 57.

The spelling of 128373291984 in words is "one hundred twenty-eight billion, three hundred seventy-three million, two hundred ninety-one thousand, nine hundred eighty-four".