16818342 has 8 divisors (see below), whose sum is σ = 33636696. Its totient is φ = 5606112.

The previous prime is 16818317. The next prime is 16818343. The reversal of 16818342 is 24381861.

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

16818342 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16818343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401523 + ... + 1401534.

It is an arithmetic number, because the mean of its divisors is an integer number (4204587).

Almost surely, 2^16818342 is an apocalyptic number.

16818342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16818342 is a wasteful number, since it uses less digits than its factorization.

16818342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803062.

The product of its digits is 9216, while the sum is 33.

The square root of 16818342 is about 4101.0171908930. The cubic root of 16818342 is about 256.2090069663.

The spelling of 16818342 in words is "sixteen million, eight hundred eighteen thousand, three hundred forty-two".