16403255259 has 8 divisors (see below), whose sum is σ = 22037961792. Its totient is φ = 10852026120.

The previous prime is 16403255243. The next prime is 16403255261. The reversal of 16403255259 is 95255230461.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16403255259 - 2⁴ = 16403255243 is a prime.

It is a super-2 number, since 2×16403255259² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16403255259.

It is not an unprimeable number, because it can be changed into a prime (16403255159) 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 7 ways as a sum of consecutive naturals, for example, 20868889 + ... + 20869674.

It is an arithmetic number, because the mean of its divisors is an integer number (2754745224).

Almost surely, 2^16403255259 is an apocalyptic number.

16403255259 is a deficient number, since it is larger than the sum of its proper divisors (5634706533).

16403255259 is a wasteful number, since it uses less digits than its factorization.

16403255259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41738697.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 16403255259 in words is "sixteen billion, four hundred three million, two hundred fifty-five thousand, two hundred fifty-nine".