16664046 has 32 divisors (see below), whose sum is σ = 40331520. Its totient is φ = 4480896.

The previous prime is 16664027. The next prime is 16664057. The reversal of 16664046 is 64046661.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16663998 and 16664016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10956 + ... + 12383.

It is an arithmetic number, because the mean of its divisors is an integer number (1260360).

Almost surely, 2^16664046 is an apocalyptic number.

16664046 is an abundant number, since it is smaller than the sum of its proper divisors (23667474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16664046 is a wasteful number, since it uses less digits than its factorization.

16664046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23368.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 16664046 is about 4082.1619272145. The cubic root of 16664046 is about 255.4230884855.

The spelling of 16664046 in words is "sixteen million, six hundred sixty-four thousand, forty-six".