16680147 has 8 divisors (see below), whose sum is σ = 24262080. Its totient is φ = 10109160.

The previous prime is 16680137. The next prime is 16680163. The reversal of 16680147 is 74108661.

It is a happy number.

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

It is not a de Polignac number, because 16680147 - 2⁷ = 16680019 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 505459 = 16680147 / (1 + 6 + 6 + 8 + 0 + 1 + 4 + 7).

It is not an unprimeable number, because it can be changed into a prime (16680137) 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, 252697 + ... + 252762.

It is an arithmetic number, because the mean of its divisors is an integer number (3032760).

Almost surely, 2^16680147 is an apocalyptic number.

16680147 is a deficient number, since it is larger than the sum of its proper divisors (7581933).

16680147 is a wasteful number, since it uses less digits than its factorization.

16680147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505473.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 16680147 is about 4084.1335678452. The cubic root of 16680147 is about 255.5053262830.

The spelling of 16680147 in words is "sixteen million, six hundred eighty thousand, one hundred forty-seven".