16359642 has 48 divisors (see below), whose sum is σ = 38508288. Its totient is φ = 4989600.

The previous prime is 16359641. The next prime is 16359649. The reversal of 16359642 is 24695361.

It is a happy number.

16359642 is a `hidden beast` number, since 1 + 6 + 3 + 5 + 9 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 16359597 and 16359606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16359641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35103 + ... + 35565.

It is an arithmetic number, because the mean of its divisors is an integer number (802256).

Almost surely, 2^16359642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16359642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19254144).

16359642 is an abundant number, since it is smaller than the sum of its proper divisors (22148646).

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

16359642 is a wasteful number, since it uses less digits than its factorization.

16359642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 632 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 16359642 is about 4044.7054280874. The cubic root of 16359642 is about 253.8582402806.

The spelling of 16359642 in words is "sixteen million, three hundred fifty-nine thousand, six hundred forty-two".