16320507238 has 8 divisors (see below), whose sum is σ = 27978012432. Its totient is φ = 6994503096.

The previous prime is 16320507223. The next prime is 16320507293. The reversal of 16320507238 is 83270502361.

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

It is a super-2 number, since 2×16320507238² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16320507197 and 16320507206.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 582875245 + ... + 582875272.

It is an arithmetic number, because the mean of its divisors is an integer number (3497251554).

Almost surely, 2^16320507238 is an apocalyptic number.

16320507238 is a deficient number, since it is larger than the sum of its proper divisors (11657505194).

16320507238 is a wasteful number, since it uses less digits than its factorization.

16320507238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165750526.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 16320507238 in words is "sixteen billion, three hundred twenty million, five hundred seven thousand, two hundred thirty-eight".