16680245 has 8 divisors (see below), whose sum is σ = 20038560. Its totient is φ = 13329360.

The previous prime is 16680241. The next prime is 16680289. The reversal of 16680245 is 54208661.

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

It is not a de Polignac number, because 16680245 - 2² = 16680241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16680241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6566 + ... + 8744.

It is an arithmetic number, because the mean of its divisors is an integer number (2504820).

Almost surely, 2^16680245 is an apocalyptic number.

It is an amenable number.

16680245 is a deficient number, since it is larger than the sum of its proper divisors (3358315).

16680245 is a wasteful number, since it uses less digits than its factorization.

16680245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 16680245 is about 4084.1455654763. The cubic root of 16680245 is about 255.5058266677.

The spelling of 16680245 in words is "sixteen million, six hundred eighty thousand, two hundred forty-five".