16235478259 has 24 divisors (see below), whose sum is σ = 22187955888. Its totient is φ = 11677861440.

The previous prime is 16235478253. The next prime is 16235478263. The reversal of 16235478259 is 95287453261.

It is not a de Polignac number, because 16235478259 - 2³ = 16235478251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16235478251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1151512 + ... + 1165525.

It is an arithmetic number, because the mean of its divisors is an integer number (924498162).

Almost surely, 2^16235478259 is an apocalyptic number.

16235478259 is a deficient number, since it is larger than the sum of its proper divisors (5952477629).

16235478259 is a wasteful number, since it uses less digits than its factorization.

16235478259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317075 (or 2317068 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 52.

It can be divided in two parts, 16235 and 478259, that added together give a palindrome (494494).

The spelling of 16235478259 in words is "sixteen billion, two hundred thirty-five million, four hundred seventy-eight thousand, two hundred fifty-nine".