16649914 has 8 divisors (see below), whose sum is σ = 25780608. Its totient is φ = 8056380.

The previous prime is 16649911. The next prime is 16649923. The reversal of 16649914 is 41994661.

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

It is not an unprimeable number, because it can be changed into a prime (16649911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134212 + ... + 134335.

It is an arithmetic number, because the mean of its divisors is an integer number (3222576).

Almost surely, 2^16649914 is an apocalyptic number.

16649914 is a deficient number, since it is larger than the sum of its proper divisors (9130694).

16649914 is a wasteful number, since it uses less digits than its factorization.

16649914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268580.

The product of its digits is 46656, while the sum is 40.

The square root of 16649914 is about 4080.4306145308. The cubic root of 16649914 is about 255.3508639298.

The spelling of 16649914 in words is "sixteen million, six hundred forty-nine thousand, nine hundred fourteen".