16606680 has 32 divisors (see below), whose sum is σ = 49820400. Its totient is φ = 4428416.

The previous prime is 16606661. The next prime is 16606693. The reversal of 16606680 is 8660661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69075 + ... + 69314.

Almost surely, 2^16606680 is an apocalyptic number.

16606680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16606680 is an abundant number, since it is smaller than the sum of its proper divisors (33213720).

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

16606680 is a wasteful number, since it uses less digits than its factorization.

16606680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138403 (or 138399 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 16606680 is about 4075.1294457968. The cubic root of 16606680 is about 255.1296534060.

The spelling of 16606680 in words is "sixteen million, six hundred six thousand, six hundred eighty".