16851066 has 8 divisors (see below), whose sum is σ = 33702144. Its totient is φ = 5617020.

The previous prime is 16851053. The next prime is 16851071. The reversal of 16851066 is 66015861.

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

16851066 is an admirable 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, 1404250 + ... + 1404261.

It is an arithmetic number, because the mean of its divisors is an integer number (4212768).

Almost surely, 2^16851066 is an apocalyptic number.

16851066 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.

16851066 is a wasteful number, since it uses less digits than its factorization.

16851066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808516.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 16851066 is about 4105.0049939068. The cubic root of 16851066 is about 256.3750707321.

The spelling of 16851066 in words is "sixteen million, eight hundred fifty-one thousand, sixty-six".