16606625 has 16 divisors (see below), whose sum is σ = 23687040. Its totient is φ = 11386800.

The previous prime is 16606573. The next prime is 16606631. The reversal of 16606625 is 52660661.

It is not a de Polignac number, because 16606625 - 2⁶ = 16606561 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16606591 and 16606600.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8615 + ... + 10364.

It is an arithmetic number, because the mean of its divisors is an integer number (1480440).

Almost surely, 2^16606625 is an apocalyptic number.

It is an amenable number.

16606625 is a deficient number, since it is larger than the sum of its proper divisors (7080415).

16606625 is an equidigital number, since it uses as much as digits as its factorization.

16606625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19001 (or 18991 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 16606625 is about 4075.1226975393. The cubic root of 16606625 is about 255.1293717493.

The spelling of 16606625 in words is "sixteen million, six hundred six thousand, six hundred twenty-five".