16444066 has 8 divisors (see below), whose sum is σ = 26117100. Its totient is φ = 7738368.

The previous prime is 16444033. The next prime is 16444069. The reversal of 16444066 is 66044461.

It can be written as a sum of positive squares in 2 ways, for example, as 16168441 + 275625 = 4021^2 + 525^2 .

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

It is a super-3 number, since 3×16444066³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (16444069) 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, 241791 + ... + 241858.

Almost surely, 2^16444066 is an apocalyptic number.

16444066 is a deficient number, since it is larger than the sum of its proper divisors (9673034).

16444066 is a wasteful number, since it uses less digits than its factorization.

16444066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483668.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 16444066 is about 4055.1283580178. The cubic root of 16444066 is about 254.2941700977.

The spelling of 16444066 in words is "sixteen million, four hundred forty-four thousand, sixty-six".