16680610 has 8 divisors (see below), whose sum is σ = 30025116. Its totient is φ = 6672240.

The previous prime is 16680607. The next prime is 16680611. The reversal of 16680610 is 1608661.

It can be written as a sum of positive squares in 2 ways, for example, as 16248961 + 431649 = 4031^2 + 657^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (16680611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834021 + ... + 834040.

Almost surely, 2^16680610 is an apocalyptic number.

16680610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16680610 is a deficient number, since it is larger than the sum of its proper divisors (13344506).

16680610 is a wasteful number, since it uses less digits than its factorization.

16680610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668068.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 16680610 is about 4084.1902502210. The cubic root of 16680610 is about 255.5076903283.

The spelling of 16680610 in words is "sixteen million, six hundred eighty thousand, six hundred ten".