16303478959 has 4 divisors (see below), whose sum is σ = 16304410120. Its totient is φ = 16302547800.

The previous prime is 16303478921. The next prime is 16303478993. The reversal of 16303478959 is 95987430361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16303478959 - 2¹⁷ = 16303347887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16303470959) 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, 438804 + ... + 474505.

It is an arithmetic number, because the mean of its divisors is an integer number (4076102530).

Almost surely, 2^16303478959 is an apocalyptic number.

16303478959 is a deficient number, since it is larger than the sum of its proper divisors (931161).

16303478959 is an equidigital number, since it uses as much as digits as its factorization.

16303478959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931160.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 16303478959 in words is "sixteen billion, three hundred three million, four hundred seventy-eight thousand, nine hundred fifty-nine".