16809448341474 has 96 divisors (see below), whose sum is σ = 40626616867200. Its totient is φ = 5000198757120.

The previous prime is 16809448341473. The next prime is 16809448341523. The reversal of 16809448341474 is 47414384490861.

16809448341474 is a `hidden beast` number, since 1 + 6 + 8 + 0 + 9 + 4 + 483 + 4 + 147 + 4 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16809448341473) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20262174 + ... + 21075449.

It is an arithmetic number, because the mean of its divisors is an integer number (423193925700).

Almost surely, 2^{16809448341474} is an apocalyptic number.

16809448341474 is an abundant number, since it is smaller than the sum of its proper divisors (23817168525726).

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

16809448341474 is a wasteful number, since it uses less digits than its factorization.

16809448341474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41337720 (or 41337717 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 63.

The spelling of 16809448341474 in words is "sixteen trillion, eight hundred nine billion, four hundred forty-eight million, three hundred forty-one thousand, four hundred seventy-four".