16838374238 has 16 divisors (see below), whose sum is σ = 28875571584. Its totient is φ = 7213999320.

The previous prime is 16838374229. The next prime is 16838374243. The reversal of 16838374238 is 83247383861.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16838374238.

It is a congruent number.

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, 160820 + ... + 244007.

It is an arithmetic number, because the mean of its divisors is an integer number (1804723224).

Almost surely, 2^16838374238 is an apocalyptic number.

16838374238 is a deficient number, since it is larger than the sum of its proper divisors (12037197346).

16838374238 is a wasteful number, since it uses less digits than its factorization.

16838374238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407807.

The product of its digits is 4644864, while the sum is 53.

The spelling of 16838374238 in words is "sixteen billion, eight hundred thirty-eight million, three hundred seventy-four thousand, two hundred thirty-eight".