16433174891994 has 16 divisors (see below), whose sum is σ = 37561542610368. Its totient is φ = 4695192826272.

The previous prime is 16433174891983. The next prime is 16433174892037. The reversal of 16433174891994 is 49919847133461.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195633034387 + ... + 195633034470.

It is an arithmetic number, because the mean of its divisors is an integer number (2347596413148).

Almost surely, 2^{16433174891994} is an apocalyptic number.

16433174891994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16433174891994 is an abundant number, since it is smaller than the sum of its proper divisors (21128367718374).

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

16433174891994 is a wasteful number, since it uses less digits than its factorization.

16433174891994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391266068869.

The product of its digits is 141087744, while the sum is 69.

The spelling of 16433174891994 in words is "sixteen trillion, four hundred thirty-three billion, one hundred seventy-four million, eight hundred ninety-one thousand, nine hundred ninety-four".