128483116398 has 192 divisors, whose sum is σ = 358162022400. Its totient is φ = 32376464640.

The previous prime is 128483116337. The next prime is 128483116403. The reversal of 128483116398 is 893611384821.

128483116398 is a `hidden beast` number, since 1 + 2 + 8 + 483 + 11 + 63 + 98 = 666.

It is a super-2 number, since 2×128483116398² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3995448 + ... + 4027476.

It is an arithmetic number, because the mean of its divisors is an integer number (1865427200).

Almost surely, 2^128483116398 is an apocalyptic number.

128483116398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 128483116398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179081011200).

128483116398 is an abundant number, since it is smaller than the sum of its proper divisors (229678906002).

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

128483116398 is a wasteful number, since it uses less digits than its factorization.

128483116398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32167 (or 32164 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The spelling of 128483116398 in words is "one hundred twenty-eight billion, four hundred eighty-three million, one hundred sixteen thousand, three hundred ninety-eight".