16396890330239 has 4 divisors (see below), whose sum is σ = 16397246993160. Its totient is φ = 16396533667320.

The previous prime is 16396890330187. The next prime is 16396890330287. The reversal of 16396890330239 is 93203309869361.

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 16396890330239 - 2²⁴ = 16396873553023 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 (16396890330539) 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, 178262492 + ... + 178354449.

It is an arithmetic number, because the mean of its divisors is an integer number (4099311748290).

Almost surely, 2^{16396890330239} is an apocalyptic number.

16396890330239 is a deficient number, since it is larger than the sum of its proper divisors (356662921).

16396890330239 is an equidigital number, since it uses as much as digits as its factorization.

16396890330239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356662920.

The product of its (nonzero) digits is 34012224, while the sum is 62.

The spelling of 16396890330239 in words is "sixteen trillion, three hundred ninety-six billion, eight hundred ninety million, three hundred thirty thousand, two hundred thirty-nine".