16655453 has 2 divisors, whose sum is σ = 16655454. Its totient is φ = 16655452.

The previous prime is 16655449. The next prime is 16655459. The reversal of 16655453 is 35455661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12802084 + 3853369 = 3578^2 + 1963^2 .

It is a cyclic number.

It is not a de Polignac number, because 16655453 - 2² = 16655449 is a prime.

It is a super-2 number, since 2×16655453² = 554808229270418, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16655459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8327726 + 8327727.

It is an arithmetic number, because the mean of its divisors is an integer number (8327727).

Almost surely, 2^16655453 is an apocalyptic number.

It is an amenable number.

16655453 is a deficient number, since it is larger than the sum of its proper divisors (1).

16655453 is an equidigital number, since it uses as much as digits as its factorization.

16655453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54000, while the sum is 35.

The square root of 16655453 is about 4081.1092854762. The cubic root of 16655453 is about 255.3791770214.

The spelling of 16655453 in words is "sixteen million, six hundred fifty-five thousand, four hundred fifty-three".