16585327078331 has 8 divisors (see below), whose sum is σ = 18340934553264. Its totient is φ = 14871028014720.

The previous prime is 16585327078321. The next prime is 16585327078393. The reversal of 16585327078331 is 13387072358561.

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

It is a cyclic number.

It is not a de Polignac number, because 16585327078331 - 2¹⁰ = 16585327077307 is a prime.

It is a super-2 number, since 2×16585327078331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16585327078321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10327101986 + ... + 10327103591.

It is an arithmetic number, because the mean of its divisors is an integer number (2292616819158).

Almost surely, 2^{16585327078331} is an apocalyptic number.

16585327078331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16585327078331 is a deficient number, since it is larger than the sum of its proper divisors (1755607474933).

16585327078331 is a wasteful number, since it uses less digits than its factorization.

16585327078331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20654205661.

The product of its (nonzero) digits is 25401600, while the sum is 59.

The spelling of 16585327078331 in words is "sixteen trillion, five hundred eighty-five billion, three hundred twenty-seven million, seventy-eight thousand, three hundred thirty-one".