16670325 has 48 divisors (see below), whose sum is σ = 31890816. Its totient is φ = 7526400.

The previous prime is 16670321. The next prime is 16670327. The reversal of 16670325 is 52307661.

It is not a de Polignac number, because 16670325 - 2² = 16670321 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16670292 and 16670301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16670321) 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 47 ways as a sum of consecutive naturals, for example, 59185 + ... + 59465.

It is an arithmetic number, because the mean of its divisors is an integer number (664392).

Almost surely, 2^16670325 is an apocalyptic number.

16670325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16670325 is a deficient number, since it is larger than the sum of its proper divisors (15220491).

16670325 is a wasteful number, since it uses less digits than its factorization.

16670325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 16670325 is about 4082.9309325532. The cubic root of 16670325 is about 255.4551655328.

Adding to 16670325 its reverse (52307661), we get a palindrome (68977986).

The spelling of 16670325 in words is "sixteen million, six hundred seventy thousand, three hundred twenty-five".