16144553 has 2 divisors, whose sum is σ = 16144554. Its totient is φ = 16144552.

The previous prime is 16144523. The next prime is 16144567. The reversal of 16144553 is 35544161.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15460624 + 683929 = 3932^2 + 827^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16144553 is a prime.

It is not a weakly prime, because it can be changed into another prime (16144523) 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, 8072276 + 8072277.

It is an arithmetic number, because the mean of its divisors is an integer number (8072277).

Almost surely, 2^16144553 is an apocalyptic number.

It is an amenable number.

16144553 is a deficient number, since it is larger than the sum of its proper divisors (1).

16144553 is an equidigital number, since it uses as much as digits as its factorization.

16144553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 29.

The square root of 16144553 is about 4018.0284966635. The cubic root of 16144553 is about 252.7407917691.

The spelling of 16144553 in words is "sixteen million, one hundred forty-four thousand, five hundred fifty-three".