16682242 has 4 divisors (see below), whose sum is σ = 25023366. Its totient is φ = 8341120.

The previous prime is 16682233. The next prime is 16682251. The reversal of 16682242 is 24228661.

16682242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

16682242 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

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

It is an interprime number because it is at equal distance from previous prime (16682233) and next prime (16682251).

It can be written as a sum of positive squares in only one way, i.e., 10830681 + 5851561 = 3291^2 + 2419^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4170559 + ... + 4170562.

Almost surely, 2^16682242 is an apocalyptic number.

16682242 is a deficient number, since it is larger than the sum of its proper divisors (8341124).

16682242 is an equidigital number, since it uses as much as digits as its factorization.

16682242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8341123.

The product of its digits is 9216, while the sum is 31.

The square root of 16682242 is about 4084.3900401406. The cubic root of 16682242 is about 255.5160228564.

The spelling of 16682242 in words is "sixteen million, six hundred eighty-two thousand, two hundred forty-two".