16973479356 has 12 divisors (see below), whose sum is σ = 39604785192. Its totient is φ = 5657826448.

The previous prime is 16973479343. The next prime is 16973479363. The reversal of 16973479356 is 65397437961.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 16973479356.

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 3 ways as a sum of consecutive naturals, for example, 707228295 + ... + 707228318.

It is an arithmetic number, because the mean of its divisors is an integer number (3300398766).

Almost surely, 2^16973479356 is an apocalyptic number.

It is an amenable number.

16973479356 is an abundant number, since it is smaller than the sum of its proper divisors (22631305836).

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

16973479356 is a wasteful number, since it uses less digits than its factorization.

16973479356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414456620 (or 1414456618 counting only the distinct ones).

The product of its digits is 25719120, while the sum is 60.

The spelling of 16973479356 in words is "sixteen billion, nine hundred seventy-three million, four hundred seventy-nine thousand, three hundred fifty-six".