16538334 has 64 divisors (see below), whose sum is σ = 36771840. Its totient is φ = 4942080.

The previous prime is 16538309. The next prime is 16538339. The reversal of 16538334 is 43383561.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16538295 and 16538304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16538339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209307 + ... + 209385.

It is an arithmetic number, because the mean of its divisors is an integer number (574560).

Almost surely, 2^16538334 is an apocalyptic number.

16538334 is an abundant number, since it is smaller than the sum of its proper divisors (20233506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16538334 is a wasteful number, since it uses less digits than its factorization.

16538334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185.

The product of its digits is 25920, while the sum is 33.

The square root of 16538334 is about 4066.7350540698. The cubic root of 16538334 is about 254.7791706014.

The spelling of 16538334 in words is "sixteen million, five hundred thirty-eight thousand, three hundred thirty-four".