16530338 has 8 divisors (see below), whose sum is σ = 27049680. Its totient is φ = 7513780.

The previous prime is 16530337. The next prime is 16530343. The reversal of 16530338 is 83303561.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16530338.

It is not an unprimeable number, because it can be changed into a prime (16530337) 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, 375668 + ... + 375711.

It is an arithmetic number, because the mean of its divisors is an integer number (3381210).

Almost surely, 2^16530338 is an apocalyptic number.

16530338 is a deficient number, since it is larger than the sum of its proper divisors (10519342).

16530338 is a wasteful number, since it uses less digits than its factorization.

16530338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751392.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 16530338 is about 4065.7518369915. The cubic root of 16530338 is about 254.7381035335.

Adding to 16530338 its reverse (83303561), we get a palindrome (99833899).

It can be divided in two parts, 165 and 30338, that added together give a palindrome (30503).

The spelling of 16530338 in words is "sixteen million, five hundred thirty thousand, three hundred thirty-eight".