16489537427 has 8 divisors (see below), whose sum is σ = 17993594880. Its totient is φ = 14986314760.

The previous prime is 16489537411. The next prime is 16489537439. The reversal of 16489537427 is 72473598461.

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 16489537427 - 2⁴ = 16489537411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16485537427) 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, 167027 + ... + 246732.

It is an arithmetic number, because the mean of its divisors is an integer number (2249199360).

Almost surely, 2^16489537427 is an apocalyptic number.

16489537427 is a deficient number, since it is larger than the sum of its proper divisors (1504057453).

16489537427 is a wasteful number, since it uses less digits than its factorization.

16489537427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417393.

The product of its digits is 10160640, while the sum is 56.

The spelling of 16489537427 in words is "sixteen billion, four hundred eighty-nine million, five hundred thirty-seven thousand, four hundred twenty-seven".