16328685 has 8 divisors (see below), whose sum is σ = 26125920. Its totient is φ = 8708624.

The previous prime is 16328681. The next prime is 16328699. The reversal of 16328685 is 58682361.

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 16328685 - 2² = 16328681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16328681) 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, 544275 + ... + 544304.

It is an arithmetic number, because the mean of its divisors is an integer number (3265740).

Almost surely, 2^16328685 is an apocalyptic number.

16328685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16328685 is a deficient number, since it is larger than the sum of its proper divisors (9797235).

16328685 is a wasteful number, since it uses less digits than its factorization.

16328685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088587.

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

The square root of 16328685 is about 4040.8767612982. The cubic root of 16328685 is about 253.6980156721.

The spelling of 16328685 in words is "sixteen million, three hundred twenty-eight thousand, six hundred eighty-five".