16830421605886 has 16 divisors (see below), whose sum is σ = 28875937133664. Its totient is φ = 7207091378784.

The previous prime is 16830421605871. The next prime is 16830421605889. The reversal of 16830421605886 is 68850612403861.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16830421605886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16830421605889) 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, 495520105 + ... + 495554068.

It is an arithmetic number, because the mean of its divisors is an integer number (1804746070854).

Almost surely, 2^{16830421605886} is an apocalyptic number.

16830421605886 is a deficient number, since it is larger than the sum of its proper divisors (12045515527778).

16830421605886 is a wasteful number, since it uses less digits than its factorization.

16830421605886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991075395.

The product of its (nonzero) digits is 13271040, while the sum is 58.

The spelling of 16830421605886 in words is "sixteen trillion, eight hundred thirty billion, four hundred twenty-one million, six hundred five thousand, eight hundred eighty-six".