16690030 has 32 divisors (see below), whose sum is σ = 34583040. Its totient is φ = 5680800.

The previous prime is 16690001. The next prime is 16690031. The reversal of 16690030 is 3009661.

It is a junction number, because it is equal to n+sod(n) for n = 16689977 and 16690004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16690031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9781 + ... + 11359.

It is an arithmetic number, because the mean of its divisors is an integer number (1080720).

Almost surely, 2^16690030 is an apocalyptic number.

16690030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16690030 is an abundant number, since it is smaller than the sum of its proper divisors (17893010).

16690030 is a wasteful number, since it uses less digits than its factorization.

16690030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 16690030 is about 4085.3433148268. The cubic root of 16690030 is about 255.5557786878. Note that the first 3 decimals are identical.

Adding to 16690030 its reverse (3009661), we get a palindrome (19699691).

The spelling of 16690030 in words is "sixteen million, six hundred ninety thousand, thirty".