16573464252533 has 2 divisors, whose sum is σ = 16573464252534. Its totient is φ = 16573464252532.

The previous prime is 16573464252523. The next prime is 16573464252659. The reversal of 16573464252533 is 33525246437561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16353992616049 + 219471636484 = 4044007^2 + 468478^2 .

It is a cyclic number.

It is not a de Polignac number, because 16573464252533 - 2²⁶ = 16573397143669 is a prime.

It is a super-3 number, since 3×16573464252533³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16573464252523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8286732126266 + 8286732126267.

It is an arithmetic number, because the mean of its divisors is an integer number (8286732126267).

Almost surely, 2^{16573464252533} is an apocalyptic number.

It is an amenable number.

16573464252533 is a deficient number, since it is larger than the sum of its proper divisors (1).

16573464252533 is an equidigital number, since it uses as much as digits as its factorization.

16573464252533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432000, while the sum is 56.

The spelling of 16573464252533 in words is "sixteen trillion, five hundred seventy-three billion, four hundred sixty-four million, two hundred fifty-two thousand, five hundred thirty-three".