16604530 has 32 divisors (see below), whose sum is σ = 31933440. Its totient is φ = 6202560.

The previous prime is 16604521. The next prime is 16604531. The reversal of 16604530 is 3540661.

It is a junction number, because it is equal to n+sod(n) for n = 16604495 and 16604504.

It is not an unprimeable number, because it can be changed into a prime (16604531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8067 + ... + 9913.

It is an arithmetic number, because the mean of its divisors is an integer number (997920).

Almost surely, 2^16604530 is an apocalyptic number.

16604530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16604530 is a deficient number, since it is larger than the sum of its proper divisors (15328910).

16604530 is a wasteful number, since it uses less digits than its factorization.

16604530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 16604530 is about 4074.8656419568. The cubic root of 16604530 is about 255.1186427278.

The spelling of 16604530 in words is "sixteen million, six hundred four thousand, five hundred thirty".