16608340 has 48 divisors (see below), whose sum is σ = 40303872. Its totient is φ = 5630976.

The previous prime is 16608331. The next prime is 16608353. The reversal of 16608340 is 4380661.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 16608299 and 16608308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12969 + ... + 14191.

It is an arithmetic number, because the mean of its divisors is an integer number (839664).

Almost surely, 2^16608340 is an apocalyptic number.

16608340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16608340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20151936).

16608340 is an abundant number, since it is smaller than the sum of its proper divisors (23695532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16608340 is a wasteful number, since it uses less digits than its factorization.

16608340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336 (or 1334 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 16608340 is about 4075.3331152189. Note that the first 3 decimals coincide. The cubic root of 16608340 is about 255.1381540237.

It can be divided in two parts, 1660 and 8340, that added together give a 4-th power (10000 = 10⁴).

The spelling of 16608340 in words is "sixteen million, six hundred eight thousand, three hundred forty".