16384359149 has 4 divisors (see below), whose sum is σ = 16386723900. Its totient is φ = 16381994400.

The previous prime is 16384359139. The next prime is 16384359179. The reversal of 16384359149 is 94195348361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94195348361 = 41 ⋅2297447521.

It can be written as a sum of positive squares in 2 ways, for example, as 9410940100 + 6973419049 = 97010^2 + 83507^2 .

It is a cyclic number.

It is not a de Polignac number, because 16384359149 - 2⁴ = 16384359133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16384359149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16384359139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1171952 + ... + 1185849.

It is an arithmetic number, because the mean of its divisors is an integer number (4096680975).

Almost surely, 2^16384359149 is an apocalyptic number.

It is an amenable number.

16384359149 is a deficient number, since it is larger than the sum of its proper divisors (2364751).

16384359149 is an equidigital number, since it uses as much as digits as its factorization.

16384359149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364750.

The product of its digits is 2799360, while the sum is 53.

The spelling of 16384359149 in words is "sixteen billion, three hundred eighty-four million, three hundred fifty-nine thousand, one hundred forty-nine".