16520242 has 8 divisors (see below), whose sum is σ = 24800256. Its totient is φ = 8253492.

The previous prime is 16520239. The next prime is 16520263. The reversal of 16520242 is 24202561.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 843 + ... + 5809.

It is an arithmetic number, because the mean of its divisors is an integer number (3100032).

Almost surely, 2^16520242 is an apocalyptic number.

16520242 is a deficient number, since it is larger than the sum of its proper divisors (8280014).

16520242 is a wasteful number, since it uses less digits than its factorization.

16520242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6632.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 16520242 is about 4064.5100565751. The cubic root of 16520242 is about 254.6862320461.

The spelling of 16520242 in words is "sixteen million, five hundred twenty thousand, two hundred forty-two".