16530342 has 32 divisors (see below), whose sum is σ = 35750400. Its totient is φ = 5077728.

The previous prime is 16530337. The next prime is 16530343. The reversal of 16530342 is 24303561.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16530343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2259 + ... + 6177.

It is an arithmetic number, because the mean of its divisors is an integer number (1117200).

Almost surely, 2^16530342 is an apocalyptic number.

16530342 is an abundant number, since it is smaller than the sum of its proper divisors (19220058).

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

16530342 is a wasteful number, since it uses less digits than its factorization.

16530342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 16530342 is about 4065.7523289054. The cubic root of 16530342 is about 254.7381240806.

The spelling of 16530342 in words is "sixteen million, five hundred thirty thousand, three hundred forty-two".