128363428766 has 16 divisors (see below), whose sum is σ = 201123658368. Its totient is φ = 61327959000.

The previous prime is 128363428751. The next prime is 128363428849. The reversal of 128363428766 is 667824363821.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1392260 + ... + 1481591.

It is an arithmetic number, because the mean of its divisors is an integer number (12570228648).

Almost surely, 2^128363428766 is an apocalyptic number.

128363428766 is a deficient number, since it is larger than the sum of its proper divisors (72760229602).

128363428766 is a wasteful number, since it uses less digits than its factorization.

128363428766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874847.

The product of its digits is 13934592, while the sum is 56.

The spelling of 128363428766 in words is "one hundred twenty-eight billion, three hundred sixty-three million, four hundred twenty-eight thousand, seven hundred sixty-six".