16738216838 has 16 divisors (see below), whose sum is σ = 29279680800. Its totient is φ = 7173521208.

The previous prime is 16738216837. The next prime is 16738216867. The reversal of 16738216838 is 83861283761.

It is a super-3 number, since 3×16738216838³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16738216838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16738216837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12199181 + ... + 12200552.

It is an arithmetic number, because the mean of its divisors is an integer number (1829980050).

Almost surely, 2^16738216838 is an apocalyptic number.

16738216838 is a deficient number, since it is larger than the sum of its proper divisors (12541463962).

16738216838 is an equidigital number, since it uses as much as digits as its factorization.

16738216838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24399756 (or 24399742 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 53.

The spelling of 16738216838 in words is "sixteen billion, seven hundred thirty-eight million, two hundred sixteen thousand, eight hundred thirty-eight".