16386255834 has 64 divisors (see below), whose sum is σ = 37881696384. Its totient is φ = 4680308736.

The previous prime is 16386255799. The next prime is 16386255877. The reversal of 16386255834 is 43855268361.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12157 + ... + 181439.

It is an arithmetic number, because the mean of its divisors is an integer number (591901506).

Almost surely, 2^16386255834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16386255834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18940848192).

16386255834 is an abundant number, since it is smaller than the sum of its proper divisors (21495440550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16386255834 is a wasteful number, since it uses less digits than its factorization.

16386255834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169391.

The product of its digits is 4147200, while the sum is 51.

The spelling of 16386255834 in words is "sixteen billion, three hundred eighty-six million, two hundred fifty-five thousand, eight hundred thirty-four".