16320709238 has 4 divisors (see below), whose sum is σ = 24481063860. Its totient is φ = 8160354618.

The previous prime is 16320709201. The next prime is 16320709247. The reversal of 16320709238 is 83290702361.

16320709238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 16320709195 and 16320709204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4080177308 + ... + 4080177311.

It is an arithmetic number, because the mean of its divisors is an integer number (6120265965).

Almost surely, 2^16320709238 is an apocalyptic number.

16320709238 is a deficient number, since it is larger than the sum of its proper divisors (8160354622).

16320709238 is an equidigital number, since it uses as much as digits as its factorization.

16320709238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8160354621.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 16320709238 in words is "sixteen billion, three hundred twenty million, seven hundred nine thousand, two hundred thirty-eight".