16530038 has 16 divisors (see below), whose sum is σ = 29829120. Its totient is φ = 6711336.

The previous prime is 16530013. The next prime is 16530043. The reversal of 16530038 is 83003561.

It is a junction number, because it is equal to n+sod(n) for n = 16529989 and 16530016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30806 + ... + 31337.

It is an arithmetic number, because the mean of its divisors is an integer number (1864320).

Almost surely, 2^16530038 is an apocalyptic number.

16530038 is a deficient number, since it is larger than the sum of its proper divisors (13299082).

16530038 is a wasteful number, since it uses less digits than its factorization.

16530038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62171.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 16530038 is about 4065.7149432787. The cubic root of 16530038 is about 254.7365624903.

Adding to 16530038 its reverse (83003561), we get a palindrome (99533599).

It can be divided in two parts, 165 and 30038, that added together give a palindrome (30203).

The spelling of 16530038 in words is "sixteen million, five hundred thirty thousand, thirty-eight".