16458732327 has 4 divisors (see below), whose sum is σ = 21944976440. Its totient is φ = 10972488216.

The previous prime is 16458732299. The next prime is 16458732373. The reversal of 16458732327 is 72323785461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72323785461 = 3 ⋅24107928487.

It is not a de Polignac number, because 16458732327 - 2¹¹ = 16458730279 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 (16458732397) 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, 2743122052 + ... + 2743122057.

It is an arithmetic number, because the mean of its divisors is an integer number (5486244110).

Almost surely, 2^16458732327 is an apocalyptic number.

16458732327 is a deficient number, since it is larger than the sum of its proper divisors (5486244113).

16458732327 is an equidigital number, since it uses as much as digits as its factorization.

16458732327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5486244112.

The product of its digits is 1693440, while the sum is 48.

The spelling of 16458732327 in words is "sixteen billion, four hundred fifty-eight million, seven hundred thirty-two thousand, three hundred twenty-seven".