16653089 has 2 divisors, whose sum is σ = 16653090. Its totient is φ = 16653088.

The previous prime is 16653079. The next prime is 16653103. The reversal of 16653089 is 98035661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15272464 + 1380625 = 3908^2 + 1175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16653089 is a prime.

It is not a weakly prime, because it can be changed into another prime (16653019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8326544 + 8326545.

It is an arithmetic number, because the mean of its divisors is an integer number (8326545).

Almost surely, 2^16653089 is an apocalyptic number.

It is an amenable number.

16653089 is a deficient number, since it is larger than the sum of its proper divisors (1).

16653089 is an equidigital number, since it uses as much as digits as its factorization.

16653089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 16653089 is about 4080.8196480609. The cubic root of 16653089 is about 255.3670939929.

The spelling of 16653089 in words is "sixteen million, six hundred fifty-three thousand, eighty-nine".