16606812 has 12 divisors (see below), whose sum is σ = 38749256. Its totient is φ = 5535600.

The previous prime is 16606801. The next prime is 16606813. The reversal of 16606812 is 21860661.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16606812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16606813) 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, 691939 + ... + 691962.

Almost surely, 2^16606812 is an apocalyptic number.

16606812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16606812 is an abundant number, since it is smaller than the sum of its proper divisors (22142444).

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

16606812 is a wasteful number, since it uses less digits than its factorization.

16606812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383908 (or 1383906 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 16606812 is about 4075.1456415691. The cubic root of 16606812 is about 255.1303293794.

The spelling of 16606812 in words is "sixteen million, six hundred six thousand, eight hundred twelve".