16838400000069 has 64 divisors (see below), whose sum is σ = 27167752800000. Its totient is φ = 10266714323712.

The previous prime is 16838400000013. The next prime is 16838400000139. The reversal of 16838400000069 is 96000000483861.

16838400000069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16838400000069 - 2¹³ = 16838399991877 is a prime.

It is a super-2 number, since 2×16838400000069² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16838400000769) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119734207 + ... + 119874755.

It is an arithmetic number, because the mean of its divisors is an integer number (424496137500).

Almost surely, 2^{16838400000069} is an apocalyptic number.

16838400000069 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16838400000069 is a deficient number, since it is larger than the sum of its proper divisors (10329352799931).

16838400000069 is a wasteful number, since it uses less digits than its factorization.

16838400000069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148659 (or 148653 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 16838400000069 in words is "sixteen trillion, eight hundred thirty-eight billion, four hundred million, sixty-nine", and thus it is an aban number.