16018422713838 has 24 divisors (see below), whose sum is σ = 34720187735376. Its totient is φ = 5337381132000.

The previous prime is 16018422713827. The next prime is 16018422713869. The reversal of 16018422713838 is 83831722481061.

16018422713838 is a `hidden beast` number, since 1 + 60 + 18 + 422 + 71 + 3 + 83 + 8 = 666.

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 11 ways as a sum of consecutive naturals, for example, 174378303 + ... + 174470138.

It is an arithmetic number, because the mean of its divisors is an integer number (1446674488974).

Almost surely, 2^{16018422713838} is an apocalyptic number.

16018422713838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16018422713838 is an abundant number, since it is smaller than the sum of its proper divisors (18701765021538).

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

16018422713838 is a wasteful number, since it uses less digits than its factorization.

16018422713838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348851000 (or 348850997 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 16018422713838 in words is "sixteen trillion, eighteen billion, four hundred twenty-two million, seven hundred thirteen thousand, eight hundred thirty-eight".