16663027 has 8 divisors (see below), whose sum is σ = 17252352. Its totient is φ = 16077000.

The previous prime is 16663013. The next prime is 16663033. The reversal of 16663027 is 72036661.

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

It is a cyclic number.

It is not a de Polignac number, because 16663027 - 2¹¹ = 16660979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16663027.

It is not an unprimeable number, because it can be changed into a prime (16663037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13902 + ... + 15052.

It is an arithmetic number, because the mean of its divisors is an integer number (2156544).

Almost surely, 2^16663027 is an apocalyptic number.

16663027 is a deficient number, since it is larger than the sum of its proper divisors (589325).

16663027 is a wasteful number, since it uses less digits than its factorization.

16663027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 16663027 is about 4082.0371139910. The cubic root of 16663027 is about 255.4178820382.

Adding to 16663027 its reverse (72036661), we get a palindrome (88699688).

The spelling of 16663027 in words is "sixteen million, six hundred sixty-three thousand, twenty-seven".