16682385 has 8 divisors (see below), whose sum is σ = 26691840. Its totient is φ = 8897264.

The previous prime is 16682381. The next prime is 16682401. The reversal of 16682385 is 58328661.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 16682385 - 2² = 16682381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16682381) 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, 556065 + ... + 556094.

It is an arithmetic number, because the mean of its divisors is an integer number (3336480).

Almost surely, 2^16682385 is an apocalyptic number.

16682385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16682385 is a deficient number, since it is larger than the sum of its proper divisors (10009455).

16682385 is a wasteful number, since it uses less digits than its factorization.

16682385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112167.

The product of its digits is 69120, while the sum is 39.

The square root of 16682385 is about 4084.4075457770. The cubic root of 16682385 is about 255.5167529478.

The spelling of 16682385 in words is "sixteen million, six hundred eighty-two thousand, three hundred eighty-five".