16355242 has 4 divisors (see below), whose sum is σ = 24532866. Its totient is φ = 8177620.

The previous prime is 16355239. The next prime is 16355293. The reversal of 16355242 is 24255361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13111641 + 3243601 = 3621^2 + 1801^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16355242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4088809 + ... + 4088812.

Almost surely, 2^16355242 is an apocalyptic number.

16355242 is a deficient number, since it is larger than the sum of its proper divisors (8177624).

16355242 is an equidigital number, since it uses as much as digits as its factorization.

16355242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8177623.

The product of its digits is 7200, while the sum is 28.

The square root of 16355242 is about 4044.1614705647. The cubic root of 16355242 is about 253.8354794645.

The spelling of 16355242 in words is "sixteen million, three hundred fifty-five thousand, two hundred forty-two".