16489078423 has 8 divisors (see below), whose sum is σ = 16539863040. Its totient is φ = 16438326360.

The previous prime is 16489078409. The next prime is 16489078531. The reversal of 16489078423 is 32487098461.

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

It is not a de Polignac number, because 16489078423 - 2¹⁷ = 16488947351 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 (16489075423) 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, 1341138 + ... + 1353376.

It is an arithmetic number, because the mean of its divisors is an integer number (2067482880).

Almost surely, 2^16489078423 is an apocalyptic number.

16489078423 is a deficient number, since it is larger than the sum of its proper divisors (50784617).

16489078423 is a wasteful number, since it uses less digits than its factorization.

16489078423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16277.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 16489078423 in words is "sixteen billion, four hundred eighty-nine million, seventy-eight thousand, four hundred twenty-three".