16639046 has 8 divisors (see below), whose sum is σ = 25027680. Its totient is φ = 8296488.

The previous prime is 16639027. The next prime is 16639057. The reversal of 16639046 is 64093661.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16638997 and 16639015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10601 + ... + 12068.

It is an arithmetic number, because the mean of its divisors is an integer number (3128460).

Almost surely, 2^16639046 is an apocalyptic number.

16639046 is a deficient number, since it is larger than the sum of its proper divisors (8388634).

16639046 is a wasteful number, since it uses less digits than its factorization.

16639046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23038.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 16639046 is about 4079.0986749526. The cubic root of 16639046 is about 255.2952929276.

The spelling of 16639046 in words is "sixteen million, six hundred thirty-nine thousand, forty-six".