16944066 has 20 divisors (see below), whose sum is σ = 37967622. Its totient is φ = 5647968.

The previous prime is 16944061. The next prime is 16944071. The reversal of 16944066 is 66044961.

It is an interprime number because it is at equal distance from previous prime (16944061) and next prime (16944071).

It can be written as a sum of positive squares in only one way, i.e., 14630625 + 2313441 = 3825^2 + 1521^2 .

It is a super-2 number, since 2×16944066² = 574202745224712, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16944066.

It is not an unprimeable number, because it can be changed into a prime (16944061) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 52135 + ... + 52458.

Almost surely, 2^16944066 is an apocalyptic number.

16944066 is an abundant number, since it is smaller than the sum of its proper divisors (21023556).

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

16944066 is a wasteful number, since it uses less digits than its factorization.

16944066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104607 (or 104598 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 16944066 is about 4116.3170431831. The cubic root of 16944066 is about 256.8458451647.

The spelling of 16944066 in words is "sixteen million, nine hundred forty-four thousand, sixty-six".