16812066 has 8 divisors (see below), whose sum is σ = 33624144. Its totient is φ = 5604020.

The previous prime is 16812053. The next prime is 16812073. The reversal of 16812066 is 66021861.

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

16812066 is an admirable number.

It is a Curzon number.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401000 + ... + 1401011.

It is an arithmetic number, because the mean of its divisors is an integer number (4203018).

Almost surely, 2^16812066 is an apocalyptic number.

16812066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16812066 is a wasteful number, since it uses less digits than its factorization.

16812066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802016.

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

The square root of 16812066 is about 4100.2519434786. The cubic root of 16812066 is about 256.1771336742.

The spelling of 16812066 in words is "sixteen million, eight hundred twelve thousand, sixty-six".