16683376578882 has 16 divisors (see below), whose sum is σ = 35933426477760. Its totient is φ = 5133346639632.

The previous prime is 16683376578881. The next prime is 16683376578907. The reversal of 16683376578882 is 28887567338661.

It is a Harshad number since it is a multiple of its sum of digits (78), and also a Moran number because the ratio is a prime number: 213889443319 = 16683376578882 / (1 + 6 + 6 + 8 + 3 + 3 + 7 + 6 + 5 + 7 + 8 + 8 + 8 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 16683376578798 and 16683376578807.

It is not an unprimeable number, because it can be changed into a prime (16683376578881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106944721582 + ... + 106944721737.

It is an arithmetic number, because the mean of its divisors is an integer number (2245839154860).

Almost surely, 2^{16683376578882} is an apocalyptic number.

16683376578882 is an abundant number, since it is smaller than the sum of its proper divisors (19250049898878).

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

16683376578882 is a wasteful number, since it uses less digits than its factorization.

16683376578882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213889443337.

The product of its digits is 3901685760, while the sum is 78.

The spelling of 16683376578882 in words is "sixteen trillion, six hundred eighty-three billion, three hundred seventy-six million, five hundred seventy-eight thousand, eight hundred eighty-two".