16499242 has 4 divisors (see below), whose sum is σ = 24748866. Its totient is φ = 8249620.

The previous prime is 16499233. The next prime is 16499267. The reversal of 16499242 is 24299461.

It is a happy number.

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., 10042561 + 6456681 = 3169^2 + 2541^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4124809 + ... + 4124812.

Almost surely, 2^16499242 is an apocalyptic number.

16499242 is a deficient number, since it is larger than the sum of its proper divisors (8249624).

16499242 is an equidigital number, since it uses as much as digits as its factorization.

16499242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8249623.

The product of its digits is 31104, while the sum is 37.

The square root of 16499242 is about 4061.9258978962. The cubic root of 16499242 is about 254.5782699731.

The spelling of 16499242 in words is "sixteen million, four hundred ninety-nine thousand, two hundred forty-two".