16331438847 has 8 divisors (see below), whose sum is σ = 22921317760. Its totient is φ = 10314592920.

The previous prime is 16331438833. The next prime is 16331438869. The reversal of 16331438847 is 74883413361.

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

It is not a de Polignac number, because 16331438847 - 2¹⁵ = 16331406079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16331438796 and 16331438805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16331438887) 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, 143258179 + ... + 143258292.

It is an arithmetic number, because the mean of its divisors is an integer number (2865164720).

Almost surely, 2^16331438847 is an apocalyptic number.

16331438847 is a deficient number, since it is larger than the sum of its proper divisors (6589878913).

16331438847 is a wasteful number, since it uses less digits than its factorization.

16331438847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286516493.

The product of its digits is 1161216, while the sum is 48.

The spelling of 16331438847 in words is "sixteen billion, three hundred thirty-one million, four hundred thirty-eight thousand, eight hundred forty-seven".