16479794839794 has 128 divisors (see below), whose sum is σ = 38898591234048. Its totient is φ = 4588691919360.

The previous prime is 16479794839777. The next prime is 16479794839853. The reversal of 16479794839794 is 49793849797461.

It is a self number, because there is not a number n which added to its sum of digits gives 16479794839794.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 916196869 + ... + 916214855.

It is an arithmetic number, because the mean of its divisors is an integer number (303895244016).

Almost surely, 2^{16479794839794} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16479794839794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19449295617024).

16479794839794 is an abundant number, since it is smaller than the sum of its proper divisors (22418796394254).

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

16479794839794 is a wasteful number, since it uses less digits than its factorization.

16479794839794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22832.

The product of its digits is 20739898368, while the sum is 87.

The spelling of 16479794839794 in words is "sixteen trillion, four hundred seventy-nine billion, seven hundred ninety-four million, eight hundred thirty-nine thousand, seven hundred ninety-four".