16385925843 has 48 divisors (see below), whose sum is σ = 27969949696. Its totient is φ = 9045898560.

The previous prime is 16385925833. The next prime is 16385925851. The reversal of 16385925843 is 34852958361.

16385925843 is a `hidden beast` number, since 1 + 6 + 3 + 8 + 59 + 2 + 584 + 3 = 666.

It is not a de Polignac number, because 16385925843 - 2²¹ = 16383828691 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 16385925843.

It is not an unprimeable number, because it can be changed into a prime (16385925833) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1190346 + ... + 1204032.

Almost surely, 2^16385925843 is an apocalyptic number.

16385925843 is a deficient number, since it is larger than the sum of its proper divisors (11584023853).

16385925843 is a wasteful number, since it uses less digits than its factorization.

16385925843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14344 (or 14341 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 16385925843 in words is "sixteen billion, three hundred eighty-five million, nine hundred twenty-five thousand, eight hundred forty-three".