16605342 has 48 divisors (see below), whose sum is σ = 40098240. Its totient is φ = 4931136.

The previous prime is 16605331. The next prime is 16605343. The reversal of 16605342 is 24350661.

16605342 is a `hidden beast` number, since 16 + 605 + 3 + 42 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16605343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5563 + ... + 8009.

It is an arithmetic number, because the mean of its divisors is an integer number (835380).

Almost surely, 2^16605342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16605342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20049120).

16605342 is an abundant number, since it is smaller than the sum of its proper divisors (23492898).

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

16605342 is a wasteful number, since it uses less digits than its factorization.

16605342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497 (or 2494 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 16605342 is about 4074.9652759257. The cubic root of 16605342 is about 255.1228012909.

The spelling of 16605342 in words is "sixteen million, six hundred five thousand, three hundred forty-two".